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Whitehouse

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

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   10REM     >Whitehouse
   20REM     Ominoes Challenge
   30REM By  Stuart Whithouse
   40REM For 32-bit machines
   50REM (C) BAU June 1993
   60:
   70main_seed=281283
   80boards%=100
   90minx=7:maxx=15
  100miny=7:maxy=15
  110:
  120ON ERROR VDU 20,31,0,30:IF ERR=17 END ELSE PRINT"Disqualified":END
  130IF HIMEM>&10000 MODE 9:colours=8 ELSE MODE 4:colours=2
  140VDU 23;10,32;0;0;0;0;
  150PROCinit
  160PROCread_paths
  170PROCuser_init
  180total%=0
  190COLOUR 5:PRINTTAB(24,9);"Shape:"
  200PROCbox(26,12+tallest%-1,26+widest%-1,12)
  210start%=TIME
  220FOR board%=1 TO boards%
  230 seed=(main_seed*board%) MOD 714025
  240 board$=FNrandom_board
  250 PROCuser_newboard(board$)
  260 fitted%=0
  270 PROCstats(15)
  280 then%=TIME
  290 REPEAT
  300  pick=FNrnd(pieces*8)-1
  310  PROCshow_piece(pick)
  320  params$=FNuser_fit(piece$(pick))
  330  IF params$="" THEN fit%=FALSE ELSE fit%=EVAL("FNtry("+STR$pick+","+params$+")")
  340  IF fit% fitted%=fitted%+1:PROCstats(5)
  350 UNTIL NOT fit%
  360 IF TIME-then%>30000 PRINTTAB(0,30);"Disqualified":END
  370 total%=total%+fitted%
  380 PROCstats(3)
  390NEXT
  400END
  410:
  420DEF PROCstats(bits)
  430IF bits AND 8 COLOUR 5:PRINTTAB(24,1);"Board:  ";:COLOUR 3:PRINT;board%;
  440IF bits AND 4 COLOUR 5:PRINTTAB(24,3);"Pieces: ";:COLOUR 3:PRINT;fitted%;SPC(39-POS);
  450IF bits AND 2 COLOUR 5:PRINTTAB(24,5);"Total:  ";:COLOUR 3:PRINT;total%;
  460IF bits AND 1 COLOUR 5:PRINTTAB(24,7);"Time:   ";:COLOUR 3:PRINT;TIME-start%;SPC(39-POS);
  470ENDPROC
  480:
  490DEF PROCinit
  500DIM dx(3),dy(3),b(maxx-1,maxy-1),xflip(15),yflip(15)
  510FOR d=0 TO 3
  520 READ dx(d),dy(d)
  530NEXT
  540FOR c=0 TO 15
  550 VDU 23,224+c,FNbit(c,0)*&7E
  560 FOR i=1 TO 6
  570  VDU &7E OR FNbit(c,1) OR 128*FNbit(c,3)
  580 NEXT
  590 VDU FNbit(c,2)*&7E
  600NEXT
  610VDU 23,254,&81,&42,&24,&18,&18,&24,&42,&81
  620VDU 23,255,&AA,0,&55,0,&AA,0,&55,0
  630FOR i=0 TO 15
  640 xflip(i)=8*FNbit(i,1) OR 2*FNbit(i,3) OR (i AND 5)
  650 yflip(i)=4*FNbit(i,0) OR 1*FNbit(i,2) OR (i AND 10)
  660NEXT
  670ENDPROC
  680:
  690DEF FNbit(c,b)=SGN(c AND 2^b)
  700:
  710DEF PROCread_paths
  720READ pieces
  730DIM piece$(pieces*8-1)
  740widest%=0
  750tallest%=0
  760FOR i=0 TO pieces-1
  770 READ path$
  780 FOR j=0 TO 7
  790  piece=i*8+j:rot=j MOD 4:flip=3*SGN(j DIV 4)
  800  x=8:y=8:xl=x:xh=x:yl=y:yh=y:b(x,y)=piece+1
  810  FOR k=1 TO LENpath$
  820   d=((VALMID$(path$,k,1)+rot)MOD4)EORflip
  830   x=x+dx(d):y=y+dy(d):b(x,y)=piece+1
  840   IF x<xl xl=x ELSE IF x>xh xh=x
  850   IF y<yl yl=y ELSE IF y>yh yh=y
  860  NEXT
  870  xsize=xh-xl+1:ysize=yh-yl+1
  880  IF xsize>widest% widest%=xsize
  890  IF ysize>tallest% tallest%=ysize
  900  p$=STR$xsize+STR$ysize
  910  FOR y=yl TO yh
  920   FOR x=xl TO xh
  930    IF b(x,y)=piece+1 p$=p$+FNchar(x,y) ELSE p$=p$+" "
  940   NEXT
  950  NEXT
  960  piece$(piece)=p$
  970 NEXT
  980NEXT
  990ENDPROC
 1000:
 1010DEF FNchar(x,y)
 1020=CHR$(224-1*(b(x,y-1)=piece+1)-2*(b(x+1,y)=piece+1)-4*(b(x,y+1)=piece+1)-8*(b(x-1,y)=piece+1))
 1030:
 1040DEF FNrnd(mod)
 1050seed=(seed*1366+150889) MOD 714025
 1060=1+(seed DIV 64) MOD mod
 1070:
 1080DEF FNrandom_board
 1090REPEAT
 1100 width%=minx-1+FNrnd(maxx-minx+1)
 1110 height%=miny-1+FNrnd(maxy-miny+1)
 1120 area%=width%*height%
 1130UNTIL area%<256
 1140VDU 28,0,maxx+1,maxy+1,0,12,26
 1150FOR y=0 TO height%-1
 1160 FOR x=0 TO width%-1
 1170  b(x,y)=0
 1180 NEXT
 1190NEXT
 1200IF FNrnd(2)=1 FOR i=1 TO FNrnd(area% DIV 10):b(FNrnd(width%)-1,FNrnd(height%)-1)=1:NEXT
 1210PROCbox(1,height%,width%,1)
 1220b$=""
 1230FOR y=0 TO height%-1
 1240 FOR x=0 TO width%-1
 1250  b$=b$+CHR$(32+b(x,y)*223)
 1260  VDU 31,x+1,y+1,b(x,y)*255
 1270 NEXT
 1280NEXT
 1290=b$
 1300:
 1310DEF PROCbox(x0,y1,x1,y0)
 1320COLOUR 7
 1330FOR y=y0 TO y1:VDU 31,x0-1,y,229,31,x1+1,y,229:NEXT
 1340FOR x=x0 TO x1:VDU 31,x,y0-1,234,31,x,y1+1,234:NEXT
 1350VDU 31,x0-1,y0-1,230,31,x0-1,y1+1,227,31,x1+1,y0-1,236,31,x1+1,y1+1,233
 1360ENDPROC
 1370:
 1380DEF PROCshow_piece(piece)
 1390VDU 28,26,12+tallest%-1,26+widest%-1,12,12
 1400IF colours>2 COLOUR RND(colours-2)
 1410p$=piece$(piece):xs=VALMID$(p$,1,1):ys=VALMID$(p$,2,1):mid=3
 1420FOR y=0 TO ys-1
 1430 FOR x=0 TO xs-1
 1440  PRINTTAB(x,y);MID$(p$,mid,1);
 1450  mid=mid+1
 1460 NEXT
 1470NEXT
 1480VDU 26
 1490ENDPROC
 1500:
 1510DEF FNtry(piece,xpos,ypos,rot)
 1520p$=piece$(piece)
 1530xs=VALMID$(p$,1,1):ys=VALMID$(p$,2,1)
 1540xstep=SGNxpos:xpos=ABSxpos
 1550ystep=SGNypos:ypos=ABSypos
 1560mid=3:fitted=TRUE
 1570FOR y=0 TO ys-1
 1580 xx=xpos:yy=ypos
 1590 FOR x=0 TO xs-1
 1600  VDU 31,xx,yy
 1610  char=ASCMID$(p$,mid,1):mid=mid+1
 1620  solid=(char<>32)
 1630  onboard=(xx>0 AND yy>0 AND xx<=width% AND yy<=height%)
 1640  IF NOT onboard empty=FALSE ELSE empty=(b(xx-1,yy-1)=0)
 1650  ok=FALSE
 1660  IF onboard AND solid AND empty ok=TRUE:VDU FNrot(char):b(xx-1,yy-1)=2
 1670  IF NOT solid ok=TRUE
 1680  IF NOT ok VDU 254
 1690  fitted=fitted AND ok
 1700  xx=xx+xstep*dx(rot)
 1710  yy=yy+ystep*dy(rot)
 1720 NEXT
 1730 xpos=xpos+xstep*dx((rot+3)MOD4)
 1740 ypos=ypos+ystep*dy((rot+3)MOD4)
 1750NEXT
 1760=fitted
 1770:
 1780DEF FNrot(c)
 1790c=((c-224)*16) DIV (2^rot)
 1800c=(c MOD 16) OR (c DIV 16)
 1810IF xstep<0 c=xflip(c)
 1820IF ystep<0 c=yflip(c)
 1830=c+224
 1840:
 1850DATA 1,0, 0,-1, -1,0, 0,1
 1860:
 1870DATA 2+5+12+4
 1880DATA 00,01
 1890DATA 000,001,0130,010,012
 1900DATA 0000,0001,00130,0011,0010,0101,01021,002311,0112,00311,0110,0012
 1910DATA 00000,2221130,001122,012210
 1920:
 1930REM Append your routines here...
 1940:
 1950DEFPROCuser_init
 1960DIM bo%(19,19):REM board at 3>>17 (or less)
 1970DIM boj%(19,19):REM board joins
 1980DIM item%(10,10)
 1990DIM item2%(10,10)
 2000DIM item3%(10,10)
 2010DIM sctab%(55,2),zbo%(19,19)
 2020:
 2030x%=0:y%=0:px%=0:py%=0:xs%=0:ys%=0:sc%=0
 2040:
 2050RESTORE+0
 2060FOR y%=1 TO 2:FOR x%=0 TO 55
 2070READ sctab%(x%,y%)
 2080NEXT:NEXT
 2090:
 2100IF tallest%>widest% THEN biggest%=tallest% ELSE biggest%=widest%
 2110DIM c_obj%(19,8,biggest%,biggest%),c_xs%(19,8),c_ys%(19,8),c_n%(19)
 2120:
 2130PROCstartcontin
 2140ENDPROC
 2150:
 2160DATA 0,3,6,8,8,7,7,6,6,6,5,5,5,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4
 2170DATA 0,4,8,10,9,8,8,8,7,7,7,7,6,6,6,6,5,5,5,5,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4
 2180:
 2190DEFPROCuser_newboard(board$)
 2200bo%()=TRUE
 2210:
 2220togo%=width%*height%
 2230FOR x%=1 TO width%
 2240FOR y%=1 TO height%
 2250IF MID$(board$,x%+width%*(y%-1),1)=" " bo%(2+x%,2+y%)=FALSE ELSEtogo%=togo%-1
 2260NEXT:NEXT
 2270IF width%*height%-togo%>2 messy%=TRUE ELSE messy%=FALSE
 2280:
 2290FOR x%=2 TO 18
 2300FOR y%=2 TO 18
 2310boj%(x%,y%)=4+bo%(x%-1,y%)+bo%(x%+1,y%)+bo%(x%,y%+1)+bo%(x%,y%-1)
 2320IF bo%(x%,y%) boj%(x%,y%)=0
 2330NEXT:NEXT
 2340bestx%=0:zscore%=0:dscore%=0:xcog%=0:ycog%=0:cs%=0
 2350b_top%=1:b_bottom%=height%
 2360b_left%=1:b_right%=width%
 2370ENDPROC
 2380:
 2390DEFFNuser_fit(shape$)
 2400xs%=VALMID$(shape$,1,1)
 2410ys%=VALMID$(shape$,2,1)
 2420:
 2430item%()=0
 2440FOR x%=1 TO xs%
 2450FOR y%=1 TO ys%
 2460item%(x%,y%)=(MID$(shape$,2+x%+(y%-1)*xs%,1)<>" ")
 2470REM sets item% = (item is solid) (TRUE/FALSE)
 2480NEXT:NEXT
 2490bestx%=0:besty%=0:bestxf%=1:bestyf%=1:bestr%=0:bestsc%=800
 2500:
 2510IF togo%>70 cost%=11 ELSE cost%=7:REM leave NO holes early on
 2520IF togo%>120 cost%=15
 2530IF togo%<20 scost%=3 ELSE scost%=4
 2540PROCtest:REM checks for symmetries
 2550PROCcog:REM calcs COG of empty areas
 2560:
 2570IF NOT rsym% FOR rot%=0 TO 1 ELSE rot%=0
 2580IF NOT ysym% FOR yf%=1 TO -1 STEP -2 ELSE yf%=1
 2590IF NOT xsym% FOR xf%=1 TO -1 STEP -2 ELSE xf%=1
 2600FOR y%=b_top% TO b_bottom%+1-ys%
 2610FOR x%=b_left% TO b_right%+1-xs%
 2620sc%=0
 2630IF togo%>200 PROCdo2 ELSE PROCdo2:IF sc%<bestsc% AND togo%>54 PROCfastscan
 2640PROCdisperse
 2650IF togo%<55 AND sc%<bestsc% PROCfullscan
 2660IF togo%<14 AND sc%<bestsc% PROCcontin
 2670IF sc%<bestsc% THEN bestx%=x%:besty%=y%:bestxf%=xf%:bestyf%=yf%:bestr%=rot%:bestsc%=sc%:PRINTTAB(0,25);x%;",";y%;",";xf%;",";yf%;",";bestr%;"/";bestsc%;"(";dscore%;",";xcog%/4;",";ycog%/4;")";zscore%;"/";cs%;SPC(10);
 2680NEXT:NEXT
 2690IF NOT xsym% PROCflipx:NEXT
 2700IF NOT ysym% PROCflipy:NEXT
 2710IF NOT rsym% AND rot%=0 PROCrot
 2720IF NOT rsym% NEXT
 2730:
 2740IF bestx%=0 THEN =""
 2750IF NOT rsym% AND bestr%=0 PROCunrot
 2760IF bestxf%=-1 PROCflipx
 2770IF bestyf%=-1 PROCflipy:REM put piece back right way round for rememing board
 2780:
 2790REM first put piece into board
 2800FOR px%=1 TO xs%
 2810FOR py%=1 TO ys%
 2820IF item%(px%,py%) THEN
 2830togo%=togo%-1
 2840bo%(1+px%+bestx%,1+besty%+py%)=TRUE
 2850boj%(1+px%+bestx%,1+py%+besty%)=boj%(1+px%+bestx%,1+py%+besty%)-10
 2860boj%(px%+bestx%,1+py%+besty%)=boj%(px%+bestx%,1+py%+besty%)-1
 2870boj%(1+px%+bestx%,py%+besty%)=boj%(1+px%+bestx%,py%+besty%)-1
 2880boj%(1+px%+bestx%,2+py%+besty%)=boj%(1+px%+bestx%,2+py%+besty%)-1
 2890boj%(2+px%+bestx%,1+py%+besty%)=boj%(2+px%+bestx%,1+py%+besty%)-1
 2900ENDIF
 2910NEXT:NEXT
 2920:
 2930IF (bestr%=1) EOR (bestyf%=-1) besty%=besty%+ys%-1
 2940REM still using new s values if rotated
 2950IF bestxf%=-1 bestx%=bestx%+xs%-1
 2960REM take account of fact that OMINO wants the pos of the orig. TL not new TL
 2970PROCcement:REM"Fill" any holes
 2980PRINTTAB(25,19);"Togo : ";togo%;"   ";
 2990=STR$(bestx%*bestxf%)+","+STR$(besty%*bestyf%)+","+STR$(bestr%)
 3000:
 3010DEFPROCflipx
 3020IF xs%<2 STOP
 3030FOR y%=1 TO ys%
 3040FOR x%=1 TO (xs% DIV 2)
 3050t%=item%(x%,y%)
 3060item%(x%,y%)=item%(xs%+1-x%,y%)
 3070item%(xs%+1-x%,y%)=t%
 3080NEXT:NEXT
 3090ENDPROC
 3100:
 3110DEFPROCflipy
 3120IF ys%<2 STOP
 3130FOR x%=1 TO xs%
 3140FOR y%=1 TO (ys% DIV 2)
 3150t%=item%(x%,y%)
 3160item%(x%,y%)=item%(x%,ys%+1-y%)
 3170item%(x%,ys%+1-y%)=t%
 3180NEXT:NEXT
 3190ENDPROC
 3200:
 3210DEFPROCrot
 3220FOR x%=1 TO xs%
 3230FOR y%=1 TO ys%
 3240item2%(y%,xs%+1-x%)=item%(x%,y%)
 3250item3%(x%,y%)=item%(x%,y%)
 3260NEXT:NEXT
 3270t%=xs%:xs%=ys%:ys%=t%
 3280FOR x%=1 TO xs%
 3290FOR y%=1 TO ys%
 3300item%(x%,y%)=item2%(x%,y%)
 3310NEXT:NEXT
 3320t%=xsym%:xsym%=ysym%:ysym%=t%
 3330ENDPROC
 3340:
 3350DEFPROCunrot
 3360t%=xs%:xs%=ys%:ys%=t%
 3370FOR x%=1 TO xs%
 3380FOR y%=1 TO ys%
 3390item%(x%,y%)=item3%(x%,y%)
 3400NEXT:NEXT
 3410t%=xsym%:xsym%=ysym%:ysym%=t%
 3420ENDPROC
 3430:
 3440REM xsym is TRUE IF xflipping has no effect (IE Y-AXIS symmentry)
 3450DEFPROCtest
 3460rsym%=FALSE
 3470xsym%=TRUE
 3480ysym%=TRUE
 3490dsym%=TRUE:REM flag for the general sym that disquals any 1 reflec
 3500FOR x%=1 TO xs%
 3510FOR y%=1 TO ys%
 3520IF item%(x%,y%)<>item%(xs%+1-x%,y%) xsym%=FALSE
 3530IF item%(x%,y%)<>item%(x%,ys%+1-y%) ysym%=FALSE
 3540IF item%(x%,y%)<>item%(xs%+1-x%,ys%+1-y%) dsym%=FALSE
 3550NEXT:NEXT
 3560IF xsym%+ysym%=0 AND dsym% THEN xsym%=TRUE
 3570IF xsym% AND ysym% AND xs%=ys% rsym%=TRUE:REM xyr syms
 3580IF xsym%+ysym%<0 OR xs%<>ys% ENDPROC
 3590REM xsym% AND ysym% now used in a representational manner for the two diags
 3600xsym%=TRUE:ysym%=TRUE
 3610FOR x%=1 TO xs%
 3620FOR y%=1 TO ys%
 3630IF item%(x%,y%)<>item%(y%,x%) xsym%=FALSE
 3640IF item%(x%,y%)<>item%(ys%+1-y%,xs%+1-x%) ysym%=FALSE
 3650NEXT:NEXT
 3660IF xsym% OR ysym% THEN rsym%=TRUE
 3670xsym%=FALSE:ysym%=FALSE
 3680ENDPROC
 3690:
 3700DEFPROCdo2
 3710FOR px%=1 TO xs%
 3720FOR py%=1 TO ys%
 3730IF item%(px%,py%) THEN
 3740IF bo%(1+x%+px%,1+y%+py%) THEN sc%=sc%+1000 ELSE sc%=sc%+scost%*boj%(1+x%+px%,1+y%+py%)
 3750ENDIF
 3760REM scost%(3or4) added per empty it touches
 3770IF sc%>=bestsc% px%=xs%:py%=ys%:REM abort this piece
 3780NEXT:NEXT
 3790ENDPROC
 3800:
 3810DEFPROCput
 3820REM first put piece into board
 3830FOR px%=1 TO xs%
 3840FOR py%=1 TO ys%
 3850IF item%(px%,py%) THEN
 3860bo%(1+px%+x%,1+y%+py%)=TRUE
 3870boj%(1+px%+x%,1+py%+y%)=boj%(1+px%+x%,1+py%+y%)-10
 3880boj%(px%+x%,1+py%+y%)=boj%(px%+x%,1+py%+y%)-1
 3890boj%(1+px%+x%,py%+y%)=boj%(1+px%+x%,py%+y%)-1
 3900boj%(1+px%+x%,2+py%+y%)=boj%(1+px%+x%,2+py%+y%)-1
 3910boj%(2+px%+x%,1+py%+y%)=boj%(2+px%+x%,1+py%+y%)-1
 3920ENDIF
 3930NEXT:NEXT
 3940ENDPROC
 3950:
 3960DEFPROCfastscan
 3970PROCput
 3980REM now count holes
 3990dead%=FALSE
 4000FOR px%=b_left% TO b_right%
 4010FOR py%=b_top% TO b_bottom%
 4020a%=boj%(2+px%,2+py%)
 4030IF a%=0 AND NOT bo%(2+px%,2+py%) THEN sc%=sc%+cost%
 4040IF a%=1 THEN
 4050IF messy% sc%=sc%+1:REM anti ender
 4060IF boj%(3+px%,2+py%)=1 sc%=sc%+2*cost%-3
 4070IF boj%(2+px%,3+py%)=1 sc%=sc%+2*cost%-3
 4080ENDIF
 4090IF a%=2 AND togo%<80 THEN
 4100b%=0
 4110IF NOT bo%(1+px%,2+py%) b%=b%+boj%(1+px%,2+py%)
 4120IF NOT bo%(2+px%,1+py%) b%=b%+boj%(2+px%,1+py%)
 4130IF NOT bo%(2+px%,3+py%) b%=b%+boj%(2+px%,3+py%)
 4140IF NOT bo%(3+px%,2+py%) b%=b%+boj%(3+px%,2+py%)
 4150IF b%=2 sc%=sc%+2*cost%
 4160IF NOT dead% AND b%=3 sc%=sc%+cost%:dead%=TRUE
 4170ENDIF
 4180NEXT:NEXT
 4190PROCpull
 4200ENDPROC
 4210:
 4220DEFPROCpull
 4230REM now lift piece
 4240FOR px%=1 TO xs%
 4250FOR py%=1 TO ys%
 4260IF item%(px%,py%) THEN
 4270bo%(1+px%+x%,1+y%+py%)=FALSE
 4280boj%(1+px%+x%,1+py%+y%)=boj%(1+px%+x%,1+py%+y%)+10
 4290boj%(px%+x%,1+py%+y%)=boj%(px%+x%,1+py%+y%)+1
 4300boj%(1+px%+x%,py%+y%)=boj%(1+px%+x%,py%+y%)+1
 4310boj%(1+px%+x%,2+py%+y%)=boj%(1+px%+x%,2+py%+y%)+1
 4320boj%(2+px%+x%,1+py%+y%)=boj%(2+px%+x%,1+py%+y%)+1
 4330ENDIF
 4340NEXT:NEXT
 4350ENDPROC
 4360:
 4370DEFPROCcement
 4380FOR y%=b_top% TO b_bottom%
 4390FOR x%=b_left% TO b_right%
 4400a%=boj%(2+x%,2+y%)
 4410IF a%=0 AND NOT bo%(2+x%,2+y%) THEN bo%(2+x%,2+y%)=TRUE:boj%(2+x%,2+y%)=-1:togo%=togo%-1
 4420IF a%=1 THEN
 4430IF boj%(1+x%,2+y%)=1 PROCcementin(-1,0)
 4440IF boj%(2+x%,1+y%)=1 PROCcementin(0,-1)
 4450IF boj%(3+x%,2+y%)=1 PROCcementin(1,0)
 4460IF boj%(2+x%,3+y%)=1 PROCcementin(0,1)
 4470ENDIF
 4480NEXT:NEXT
 4490:
 4500REM set b_top and b_bottom to trim scans
 4510a%=TRUE
 4520b%=TRUE
 4530FOR x%=b_left% TO b_right%
 4540a%=a% AND bo%(2+x%,2+b_top%)
 4550b%=b% AND bo%(2+x%,2+b_bottom%)
 4560NEXT
 4570IF a% b_top%=b_top%+1
 4580IF b% b_bottom%=b_bottom%-1
 4590IF b_bottom%-b_top%+1<biggest% THEN
 4600IF b_top%>1 b_top%-=1 ELSE b_bottom%+=1
 4610ENDIF
 4620:
 4630a%=TRUE
 4640b%=TRUE
 4650FOR y%=b_top% TO b_bottom%
 4660a%=a% AND bo%(2+b_left%,2+y%)
 4670b%=b% AND bo%(2+b_right%,2+y%)
 4680NEXT
 4690IF a% b_left%=b_left%+1
 4700IF b% b_right%=b_right%-1
 4710IF b_right%-b_left%+1<biggest% THEN
 4720IF b_left%>1 b_left%-=1 ELSE b_right%+=1
 4730ENDIF
 4740ENDPROC
 4750:
 4760DEFPROCcementin(delx%,dely%)
 4770bo%(2+x%,2+y%)=TRUE
 4780boj%(2+x%,2+y%)=-1
 4790bo%(2+x%+delx%,2+y%+dely%)=TRUE
 4800boj%(2+x%+delx%,2+y%+dely%)=-1
 4810togo%=togo%-2
 4820ENDPROC
 4830:
 4840DEFPROCcog
 4850IF togo%>60 ENDPROC
 4860xtot%=0:ytot%=0:totl%=0
 4870FOR x%=b_left% TO b_right%
 4880FOR y%=b_top% TO b_bottom%
 4890IF NOT bo%(2+x%,2+y%) xtot%+=x%:ytot%+=y%:totl%+=1
 4900NEXT:NEXT
 4910IF totl%<>togo% STOP
 4920IF totl%=0 xcog%=width%/2:ycog%=height%/2:ENDPROC
 4930xcog%=INT(0.5+4*xtot%/totl%)
 4940ycog%=INT(0.5+4*ytot%/totl%)
 4950:
 4960xmax%=0:ymax%=0
 4970FOR x%=b_left% TO b_right%
 4980FOR y%=b_top% TO b_bottom%
 4990IF NOT bo%(2+x%,2+y%) THEN
 5000IF ABS(4*x%-xcog%)>xmax% xmax%=ABS(4*x%-xcog%)
 5010IF ABS(4*y%-ycog%)>ymax% ymax%=ABS(4*y%-ycog%)
 5020ENDIF
 5030NEXT:NEXT
 5040ENDPROC
 5050:
 5060DEFPROCdisperse
 5070IF sc%>bestsc% OR togo%>60 ENDPROC
 5080totl%=0
 5090FOR px%=1 TO xs%
 5100FOR py%=1 TO ys%
 5110IF item%(px%,py%) totl%=totl%+(xmax%-ABS(4*x%+4*px%-xcog%-4))+(ymax%-ABS(4*y%+4*py%-ycog%-4))
 5120NEXT:NEXT
 5130IF togo%<20 totl%=totl%*4 ELSE IF togo%<30 totl%=totl%*3 ELSE IF togo%<40 totl%=totl%*2
 5140dscore%=(totl% DIV 24)
 5150sc%=sc%+dscore%
 5160ENDPROC
 5170:
 5180DEFPROCfullscan
 5190PROCput
 5200zbo%()=bo%()
 5210zscore%=0
 5220IF togo%<32 index%=1 ELSE index%=2
 5230FOR px%=b_left% TO b_right%
 5240FOR py%=b_top% TO b_bottom%
 5250IF zbo%(2+px%,2+py%)=0 totl%=0:d%=0:PROCdozone(2+px%,2+py%):zscore%=zscore%+sctab%(totl%,index%)
 5260NEXT:NEXT
 5270PROCpull
 5280sc%=sc%+zscore%
 5290ENDPROC
 5300:
 5310DEFPROCdozone(zx%,zy%)
 5320IF zbo%(zx%,zy%) ENDPROC:REM TRUE means filled
 5330zbo%(zx%,zy%)=TRUE
 5340totl%=totl%+1
 5350PROCdozone(zx%,zy%-1)
 5360PROCdozone(zx%-1,zy%)
 5370PROCdozone(zx%+1,zy%)
 5380PROCdozone(zx%,zy%+1)
 5390ENDPROC
 5400:
 5410DEFPROCstartcontin
 5420RESTORE+0
 5430FOR a%=1 TO 19
 5440READ c_n%(a%)
 5450FOR b%=1 TO c_n%(a%)
 5460READ c_xs%(a%,b%),c_ys%(a%,b%)
 5470FOR y%=1 TO c_ys%(a%,b%)
 5480READ w$
 5490FOR x%=1 TO c_xs%(a%,b%)
 5500c_obj%(a%,b%,x%,y%)=-VALMID$(w$,x%,1)
 5510NEXT:NEXT:NEXT:NEXT
 5520ENDPROC
 5530:
 5540DEFPROCcontin
 5550PROCput
 5560cs%=0
 5570FOR a%=1 TO 19
 5580c%=FALSE
 5590FOR b%=1 TO c_n%(a%)
 5600FOR px%=b_left% TO b_right%-c_xs%(a%,b%)+1
 5610FOR py%=b_top% TO b_bottom%-c_ys%(a%,b%)+1
 5620d%=TRUE
 5630FOR ppx%=1 TO c_xs%(a%,b%)
 5640FOR ppy%=1 TO c_ys%(a%,b%)
 5650IF c_obj%(a%,b%,ppx%,ppy%) AND bo%(1+px%+ppx%,1+py%+ppy%) THEN d%=FALSE:ppx%=c_xs%(a%,b%)
 5660NEXT:NEXT
 5670IF d% px%=b_right%-c_xs%(a%,b%)+1:py%=b_bottom%-c_ys%(a%,b%)+1:c%=TRUE
 5680NEXT:NEXT
 5690NEXT
 5700IF NOT c% THEN cs%+=4
 5710NEXT
 5720sc%=sc%+cs%
 5730PROCpull
 5740ENDPROC
 5750:
 5760DATA 2
 5770DATA 1,3,1,1,1
 5780DATA 3,1,111
 5790:
 5800DATA 4
 5810DATA 2,2,10,11
 5820DATA 2,2,11,10
 5830DATA 2,2,11,01
 5840DATA 2,2,01,11
 5850:
 5860DATA 2
 5870DATA 1,4,1,1,1,1
 5880DATA 4,1,1111
 5890:
 5900DATA 8
 5910DATA 2,3,10,10,11
 5920DATA 2,3,0100,0100,1100
 5930DATA 2,3,1100,1000,1000
 5940DATA 2,3,1100,0100,0100
 5950DATA 3,2,1110,1000
 5960DATA 3,2,1110,0010
 5970DATA 3,2,1000,1110
 5980DATA 3,2,0010,1110
 5990:
 6000DATA 4
 6010DATA 2,3,1000,1100,1000
 6020DATA 3,2,1110,0100
 6030DATA 2,3,0100,1100,0100
 6040DATA 3,2,0100,1110
 6050:
 6060DATA 4
 6070DATA 2,3,0100,1100,1000
 6080DATA 2,3,1000,1100,0100
 6090DATA 3,2,1100,0110
 6100DATA 3,2,0110,1100
 6110:
 6120DATA 1
 6130DATA 2,2,1100,1100
 6140:
 6150DATA 2
 6160DATA 1,5,1,1,1,1,1
 6170DATA 5,1,11111
 6180:
 6190DATA 8
 6200DATA 2,4,1000,1000,1000,1100
 6210DATA 2,4,0100,0100,0100,1100
 6220DATA 2,4,1100,1000,1000,1000
 6230DATA 2,4,1100,0100,0100,0100
 6240DATA 4,2,1111,1000
 6250DATA 4,2,1111,0001
 6260DATA 4,2,1000,1111
 6270DATA 4,2,0001,1111
 6280:
 6290DATA 8
 6300DATA 2,4,10000,11000,10000,10000
 6310DATA 2,4,01000,11000,01000,01000
 6320DATA 2,4,10000,10000,11000,10000
 6330DATA 2,4,01000,01000,11000,01000
 6340DATA 4,2,11110,01000
 6350DATA 4,2,11110,00100
 6360DATA 4,2,01000,11110
 6370DATA 4,2,00100,11110
 6380:
 6390DATA 8
 6400DATA 2,4,01000,11000,10000,10000
 6410DATA 2,4,10000,11000,01000,01000
 6420DATA 2,4,10000,10000,11000,01000
 6430DATA 2,4,01000,01000,11000,10000
 6440DATA 4,2,11100,00110
 6450DATA 4,2,01110,11000
 6460DATA 4,2,00110,11100
 6470DATA 4,2,11000,01110
 6480:
 6490DATA 4
 6500DATA 3,3,100,100,111
 6510DATA 3,3,111,100,100
 6520DATA 3,3,111,001,001
 6530DATA 3,3,001,001,111
 6540:
 6550DATA 4
 6560DATA 3,3,111,010,010
 6570DATA 3,3,010,010,111
 6580DATA 3,3,100,111,100
 6590DATA 3,3,001,111,001
 6600:
 6610DATA 8
 6620DATA 3,3,010,011,110
 6630DATA 3,3,010,110,011
 6640DATA 3,3,110,011,010
 6650DATA 3,3,011,110,010
 6660DATA 3,3,010,111,100
 6670DATA 3,3,010,111,001
 6680DATA 3,3,100,111,010
 6690DATA 3,3,001,111,010
 6700:
 6710DATA 4
 6720DATA 3,3,011,010,110
 6730DATA 3,3,110,010,011
 6740DATA 3,3,100,111,001
 6750DATA 3,3,001,111,100
 6760:
 6770DATA 1
 6780DATA 3,3,010,111,010
 6790:
 6800DATA 4
 6810DATA 2,3,110,100,110
 6820DATA 3,2,111,101
 6830DATA 2,3,110,010,110
 6840DATA 3,2,101,111
 6850:
 6860DATA 4
 6870DATA 3,3,100,110,011
 6880DATA 3,3,011,110,100
 6890DATA 3,3,110,011,001
 6900DATA 3,3,001,011,110
 6910:
 6920DATA 8
 6930DATA 2,3,100,110,110
 6940DATA 2,3,010,110,110
 6950DATA 2,3,110,110,100
 6960DATA 2,3,110,110,010
 6970DATA 3,2,111,110
 6980DATA 3,2,110,111
 6990DATA 3,2,111,011
 7000DATA 3,2,011,111

�     >Whitehouse
�     Ominoes Challenge
� By  Stuart Whithouse
(� For 32-bit machines
2� (C) BAU June 1993
<:
Fmain_seed=281283
Pboards%=100
Zminx=7:maxx=15
dminy=7:maxy=15
n:
x1� � � 20,31,0,30:� �=17 � � �"Disqualified":�
�,� �>&10000 � 9:colours=8 � � 4:colours=2
�� 23;10,32;0;0;0;0;
�	�init
��read_paths
��user_init
�total%=0
�� 5:�24,9);"Shape:"
�*�box(26,12+tallest%-1,26+widest%-1,12)
�start%=�
�� board%=1 � boards%
�% seed=(main_seed*board%) � 714025
� board$=�random_board
� �user_newboard(board$)
 fitted%=0
 �stats(15)
 then%=�
" �
,  pick=�rnd(pieces*8)-1
6  �show_piece(pick)
@%  params$=�user_fit(piece$(pick))
JD  � params$="" � fit%=� � fit%=�("FNtry("+�pick+","+params$+")")
T(  � fit% fitted%=fitted%+1:�stats(5)
^
 � � fit%
h- � �-then%>30000 �0,30);"Disqualified":�
r total%=total%+fitted%
| �stats(3)
��
��
�:
�� �stats(bits)
�4� bits � 8 � 5:�24,1);"Board:  ";:� 3:�;board%;
�=� bits � 4 � 5:�24,3);"Pieces: ";:� 3:�;fitted%;�(39-�);
�4� bits � 2 � 5:�24,5);"Total:  ";:� 3:�;total%;
�>� bits � 1 � 5:�24,7);"Time:   ";:� 3:�;�-start%;�(39-�);
��
�:
�� �init
�6� dx(3),dy(3),b(maxx-1,maxy-1),xflip(15),yflip(15)
�
� d=0 � 3
 � dx(d),dy(d)
�
� c=0 � 15
& � 23,224+c,�bit(c,0)*&7E
0 � i=1 � 6
:'  � &7E � �bit(c,1) � 128*�bit(c,3)
D �
N � �bit(c,2)*&7E
X�
b,� 23,254,&81,&42,&24,&18,&18,&24,&42,&81
l$� 23,255,&AA,0,&55,0,&AA,0,&55,0
v� i=0 � 15
�1 xflip(i)=8*�bit(i,1) � 2*�bit(i,3) � (i � 5)
�2 yflip(i)=4*�bit(i,0) � 1*�bit(i,2) � (i � 10)
��
��
�:
�� �bit(c,b)=�(c � 2^b)
�:
�� �read_paths
�� pieces
�� piece$(pieces*8-1)
�
widest%=0
�tallest%=0
�� i=0 � pieces-1
 � path$
 � j=0 � 7
+  piece=i*8+j:rot=j � 4:flip=3*�(j � 4)
 0  x=8:y=8:xl=x:xh=x:yl=y:yh=y:b(x,y)=piece+1
*  � k=1 � �path$
4$   d=((��path$,k,1)+rot)�4)�flip
>)   x=x+dx(d):y=y+dy(d):b(x,y)=piece+1
H    � x<xl xl=x � � x>xh xh=x
R    � y<yl yl=y � � y>yh yh=y
\  �
f!  xsize=xh-xl+1:ysize=yh-yl+1
p#  � xsize>widest% widest%=xsize
z%  � ysize>tallest% tallest%=ysize
�  p$=�xsize+�ysize
�  � y=yl � yh
�   � x=xl � xh
�5    � b(x,y)=piece+1 p$=p$+�char(x,y) � p$=p$+" "
�   �
�  �
�  piece$(piece)=p$
� �
��
��
�:
�� �char(x,y)
�_=�(224-1*(b(x,y-1)=piece+1)-2*(b(x+1,y)=piece+1)-4*(b(x,y+1)=piece+1)-8*(b(x-1,y)=piece+1))
:
� �rnd(mod)
$seed=(seed*1366+150889) � 714025
$=1+(seed � 64) � mod
.:
8� �random_board
B�
L$ width%=minx-1+�rnd(maxx-minx+1)
V% height%=miny-1+�rnd(maxy-miny+1)
` area%=width%*height%
j� area%<256
t � 28,0,maxx+1,maxy+1,0,12,26
~� y=0 � height%-1
� � x=0 � width%-1
�  b(x,y)=0
� �
��
�N� �rnd(2)=1 � i=1 � �rnd(area% � 10):b(�rnd(width%)-1,�rnd(height%)-1)=1:�
��box(1,height%,width%,1)
�	b$=""
�� y=0 � height%-1
� � x=0 � width%-1
�  b$=b$+�(32+b(x,y)*223)
�  � 31,x+1,y+1,b(x,y)*255
� �
�

=b$
:
� �box(x0,y1,x1,y0)
(� 7
2/� y=y0 � y1:� 31,x0-1,y,229,31,x1+1,y,229:�
</� x=x0 � x1:� 31,x,y0-1,234,31,x,y1+1,234:�
FI� 31,x0-1,y0-1,230,31,x0-1,y1+1,227,31,x1+1,y0-1,236,31,x1+1,y1+1,233
P�
Z:
d� �show_piece(piece)
n,� 28,26,12+tallest%-1,26+widest%-1,12,12
x� colours>2 � �(colours-2)
�4p$=piece$(piece):xs=��p$,1,1):ys=��p$,2,1):mid=3
�� y=0 � ys-1
� � x=0 � xs-1
�  �x,y);�p$,mid,1);
�  mid=mid+1
� �
��
�� 26
��
�:
�� �try(piece,xpos,ypos,rot)
�p$=piece$(piece)
�xs=��p$,1,1):ys=��p$,2,1)
xstep=�xpos:xpos=�xpos
ystep=�ypos:ypos=�ypos
mid=3:fitted=�
"� y=0 � ys-1
, xx=xpos:yy=ypos
6 � x=0 � xs-1
@  � 31,xx,yy
J   char=��p$,mid,1):mid=mid+1
T  solid=(char<>32)
^6  onboard=(xx>0 � yy>0 � xx<=width% � yy<=height%)
h2  � � onboard empty=� � empty=(b(xx-1,yy-1)=0)
r
  ok=�
|@  � onboard � solid � empty ok=�:� �rot(char):b(xx-1,yy-1)=2
�  � � solid ok=�
�  � � ok � 254
�  fitted=fitted � ok
�  xx=xx+xstep*dx(rot)
�  yy=yy+ystep*dy(rot)
� �
�" xpos=xpos+xstep*dx((rot+3)�4)
�" ypos=ypos+ystep*dy((rot+3)�4)
��
�=fitted
�:
�
� �rot(c)
�c=((c-224)*16) � (2^rot)
c=(c � 16) � (c � 16)
� xstep<0 c=xflip(c)
� ystep<0 c=yflip(c)
&
=c+224
0:
:� 1,0, 0,-1, -1,0, 0,1
D:
N� 2+5+12+4
X� 00,01
b� 000,001,0130,010,012
lF� 0000,0001,00130,0011,0010,0101,01021,002311,0112,00311,0110,0012
v!� 00000,2221130,001122,012210
�:
�"� Append your routines here...
�:
���user_init
�+� bo%(19,19):� board at 3>>17 (or less)
�� boj%(19,19):� board joins
�� item%(10,10)
�� item2%(10,10)
�� item3%(10,10)
�� sctab%(55,2),zbo%(19,19)
�:
�+x%=0:y%=0:px%=0:py%=0:xs%=0:ys%=0:sc%=0
�:
�+0
� y%=1 � 2:� x%=0 � 55
� sctab%(x%,y%)
 �:�
*:
4=� tallest%>widest% � biggest%=tallest% � biggest%=widest%
>E� c_obj%(19,8,biggest%,biggest%),c_xs%(19,8),c_ys%(19,8),c_n%(19)
H:
R�startcontin
\�
f:
pu� 0,3,6,8,8,7,7,6,6,6,5,5,5,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4
zv� 0,4,8,10,9,8,8,8,7,7,7,7,6,6,6,6,5,5,5,5,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4
�:
���user_newboard(board$)
�bo%()=�
�:
�togo%=width%*height%
�� x%=1 � width%
�� y%=1 � height%
�E� �board$,x%+width%*(y%-1),1)=" " bo%(2+x%,2+y%)=� �togo%=togo%-1
��:�
�0� width%*height%-togo%>2 messy%=� � messy%=�
�:
�� x%=2 � 18
�� y%=2 � 18
	Eboj%(x%,y%)=4+bo%(x%-1,y%)+bo%(x%+1,y%)+bo%(x%,y%+1)+bo%(x%,y%-1)
	� bo%(x%,y%) boj%(x%,y%)=0
	�:�
	$6bestx%=0:zscore%=0:dscore%=0:xcog%=0:ycog%=0:cs%=0
	.b_top%=1:b_bottom%=height%
	8b_left%=1:b_right%=width%
	B�
	L:
	Vݤuser_fit(shape$)
	`xs%=��shape$,1,1)
	jys%=��shape$,2,1)
	t:
	~
item%()=0
	�� x%=1 � xs%
	�� y%=1 � ys%
	�2item%(x%,y%)=(�shape$,2+x%+(y%-1)*xs%,1)<>" ")
	�/� sets item% = (item is solid) (TRUE/FALSE)
	��:�
	�>bestx%=0:besty%=0:bestxf%=1:bestyf%=1:bestr%=0:bestsc%=800
	�:
	�;� togo%>70 cost%=11 � cost%=7:� leave NO holes early on
	�� togo%>120 cost%=15
	�"� togo%<20 scost%=3 � scost%=4
	�!�test:� checks for symmetries
	�#�cog:� calcs COG of empty areas
:

#� � rsym% � rot%=0 � 1 � rot%=0
'� � ysym% � yf%=1 � -1 � -2 � yf%=1
'� � xsym% � xf%=1 � -1 � -2 � xf%=1
(!� y%=b_top% � b_bottom%+1-ys%
2!� x%=b_left% � b_right%+1-xs%
<	sc%=0
F>� togo%>200 �do2 � �do2:� sc%<bestsc% � togo%>54 �fastscan
P
�disperse
Z&� togo%<55 � sc%<bestsc% �fullscan
d$� togo%<14 � sc%<bestsc% �contin
n�� sc%<bestsc% � bestx%=x%:besty%=y%:bestxf%=xf%:bestyf%=yf%:bestr%=rot%:bestsc%=sc%:�0,25);x%;",";y%;",";xf%;",";yf%;",";bestr%;"/";bestsc%;"(";dscore%;",";xcog%/4;",";ycog%/4;")";zscore%;"/";cs%;�(10);
x�:�
�� � xsym% �flipx:�
�� � ysym% �flipy:�
�� � rsym% � rot%=0 �rot
�� � rsym% �
�:
�� bestx%=0 � =""
�� � rsym% � bestr%=0 �unrot
�� bestxf%=-1 �flipx
�K� bestyf%=-1 �flipy:� put piece back right way round for rememing board
�:
� � first put piece into board
�� px%=1 � xs%
�� py%=1 � ys%
� item%(px%,py%) �
togo%=togo%-1
$bo%(1+px%+bestx%,1+besty%+py%)=�
"Fboj%(1+px%+bestx%,1+py%+besty%)=boj%(1+px%+bestx%,1+py%+besty%)-10
,Aboj%(px%+bestx%,1+py%+besty%)=boj%(px%+bestx%,1+py%+besty%)-1
6Aboj%(1+px%+bestx%,py%+besty%)=boj%(1+px%+bestx%,py%+besty%)-1
@Eboj%(1+px%+bestx%,2+py%+besty%)=boj%(1+px%+bestx%,2+py%+besty%)-1
JEboj%(2+px%+bestx%,1+py%+besty%)=boj%(2+px%+bestx%,1+py%+besty%)-1
T�
^�:�
h:
r3� (bestr%=1) � (bestyf%=-1) besty%=besty%+ys%-1
|)� still using new s values if rotated
�$� bestxf%=-1 bestx%=bestx%+xs%-1
�N� take account of fact that OMINO wants the pos of the orig. TL not new TL
��cement:�"Fill" any holes
�#�25,19);"Togo : ";togo%;"   ";
�:=�(bestx%*bestxf%)+","+�(besty%*bestyf%)+","+�(bestr%)
�:
���flipx
�
� xs%<2 �
�� y%=1 � ys%
�� x%=1 � (xs% � 2)
�t%=item%(x%,y%)
�#item%(x%,y%)=item%(xs%+1-x%,y%)
�item%(xs%+1-x%,y%)=t%
�:�
�
:
&��flipy
0
� ys%<2 �
:� x%=1 � xs%
D� y%=1 � (ys% � 2)
Nt%=item%(x%,y%)
X#item%(x%,y%)=item%(x%,ys%+1-y%)
bitem%(x%,ys%+1-y%)=t%
l�:�
v�
�:
�	��rot
�� x%=1 � xs%
�� y%=1 � ys%
�$item2%(y%,xs%+1-x%)=item%(x%,y%)
�item3%(x%,y%)=item%(x%,y%)
��:�
�t%=xs%:xs%=ys%:ys%=t%
�� x%=1 � xs%
�� y%=1 � ys%
�item%(x%,y%)=item2%(x%,y%)
��:�
�!t%=xsym%:xsym%=ysym%:ysym%=t%

�

:

��unrot

 t%=xs%:xs%=ys%:ys%=t%

*� x%=1 � xs%

4� y%=1 � ys%

>item%(x%,y%)=item3%(x%,y%)

H�:�

R!t%=xsym%:xsym%=ysym%:ysym%=t%

\�

f:

pC� xsym is TRUE IF xflipping has no effect (IE Y-AXIS symmentry)

z
��test

�rsym%=�

�xsym%=�

�ysym%=�

�Adsym%=�:� flag for the general sym that disquals any 1 reflec

�� x%=1 � xs%

�� y%=1 � ys%

�.� item%(x%,y%)<>item%(xs%+1-x%,y%) xsym%=�

�.� item%(x%,y%)<>item%(x%,ys%+1-y%) ysym%=�

�4� item%(x%,y%)<>item%(xs%+1-x%,ys%+1-y%) dsym%=�

��:�

�%� xsym%+ysym%=0 � dsym% � xsym%=�

�0� xsym% � ysym% � xs%=ys% rsym%=�:� xyr syms

� � xsym%+ysym%<0 � xs%<>ys% �
M� xsym% AND ysym% now used in a representational manner for the two diags
xsym%=�:ysym%=�
� x%=1 � xs%
$� y%=1 � ys%
.(� item%(x%,y%)<>item%(y%,x%) xsym%=�
84� item%(x%,y%)<>item%(ys%+1-y%,xs%+1-x%) ysym%=�
B�:�
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j:
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�� item%(px%,py%) �
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��
�-� scost%(3or4) added per empty it touches
�5� sc%>=bestsc% px%=xs%:py%=ys%:� abort this piece
��:�
��
�:
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� � first put piece into board
�� px%=1 � xs%
� py%=1 � ys%

� item%(px%,py%) �
bo%(1+px%+x%,1+y%+py%)=�
6boj%(1+px%+x%,1+py%+y%)=boj%(1+px%+x%,1+py%+y%)-10
(1boj%(px%+x%,1+py%+y%)=boj%(px%+x%,1+py%+y%)-1
21boj%(1+px%+x%,py%+y%)=boj%(1+px%+x%,py%+y%)-1
<5boj%(1+px%+x%,2+py%+y%)=boj%(1+px%+x%,2+py%+y%)-1
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P�
Z�:�
d�
n:
x��fastscan
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�� now count holes
�dead%=�
�� px%=b_left% � b_right%
�� py%=b_top% � b_bottom%
�a%=boj%(2+px%,2+py%)
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�� a%=1 �
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�+� boj%(3+px%,2+py%)=1 sc%=sc%+2*cost%-3
�+� boj%(2+px%,3+py%)=1 sc%=sc%+2*cost%-3
��
�� a%=2 � togo%<80 �
b%=0
0� � bo%(1+px%,2+py%) b%=b%+boj%(1+px%,2+py%)
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,0� � bo%(3+px%,2+py%) b%=b%+boj%(3+px%,2+py%)
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|
��pull
�� now lift piece
�� px%=1 � xs%
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�1boj%(1+px%+x%,py%+y%)=boj%(1+px%+x%,py%+y%)+1
�5boj%(1+px%+x%,2+py%+y%)=boj%(1+px%+x%,2+py%+y%)+1
�5boj%(2+px%+x%,1+py%+y%)=boj%(2+px%+x%,1+py%+y%)+1
��
��:�
��
:
��cement
� y%=b_top% � b_bottom%
&� x%=b_left% � b_right%
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X'� boj%(2+x%,1+y%)=1 �cementin(0,-1)
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v�
��:�
�:
�*� set b_top and b_bottom to trim scans
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��
�� a% b_top%=b_top%+1
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�
:
a%=�
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> b%=b% � bo%(2+b_right%,2+y%)
H�
R� a% b_left%=b_left%+1
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f#� b_right%-b_left%+1<biggest% �
p(� b_left%>1 b_left%-=1 � b_right%+=1
z�
��
�:
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��
�:
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$�:�
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(�
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Z
zscore%=0
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:
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00000020  6d 69 6e 6f 65 73 20 43  68 61 6c 6c 65 6e 67 65  |minoes Challenge|
00000030  0d 00 1e 1a f4 20 42 79  20 20 53 74 75 61 72 74  |..... By  Stuart|
00000040  20 57 68 69 74 68 6f 75  73 65 0d 00 28 19 f4 20  | Whithouse..(.. |
00000050  46 6f 72 20 33 32 2d 62  69 74 20 6d 61 63 68 69  |For 32-bit machi|
00000060  6e 65 73 0d 00 32 17 f4  20 28 43 29 20 42 41 55  |nes..2.. (C) BAU|
00000070  20 4a 75 6e 65 20 31 39  39 33 0d 00 3c 05 3a 0d  | June 1993..<.:.|
00000080  00 46 14 6d 61 69 6e 5f  73 65 65 64 3d 32 38 31  |.F.main_seed=281|
00000090  32 38 33 0d 00 50 0f 62  6f 61 72 64 73 25 3d 31  |283..P.boards%=1|
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000000b0  78 3d 31 35 0d 00 64 12  6d 69 6e 79 3d 37 3a 6d  |x=15..d.miny=7:m|
000000c0  61 78 79 3d 31 35 0d 00  6e 05 3a 0d 00 78 31 ee  |axy=15..n.:..x1.|
000000d0  20 85 20 ef 20 32 30 2c  33 31 2c 30 2c 33 30 3a  | . . 20,31,0,30:|
000000e0  e7 20 9f 3d 31 37 20 e0  20 8b 20 f1 22 44 69 73  |. .=17 . . ."Dis|
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00000100  e7 20 93 3e 26 31 30 30  30 30 20 eb 20 39 3a 63  |. .>&10000 . 9:c|
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00000600  20 80 20 35 29 0d 02 8a  32 20 79 66 6c 69 70 28  | . 5)...2 yflip(|
00000610  69 29 3d 34 2a a4 62 69  74 28 69 2c 30 29 20 84  |i)=4*.bit(i,0) .|
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00002f70  3c 3e 74 6f 67 6f 25 20  fa 0d 13 38 2e e7 20 74  |<>togo% ...8.. t|
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00003330  20 7a 62 6f 25 28 7a 78  25 2c 7a 79 25 29 20 e1  | zbo%(zx%,zy%) .|
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00003350  6c 6c 65 64 0d 14 d2 13  7a 62 6f 25 28 7a 78 25  |lled....zbo%(zx%|
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00003370  3d 74 6f 74 6c 25 2b 31  0d 14 e6 16 f2 64 6f 7a  |=totl%+1.....doz|
00003380  6f 6e 65 28 7a 78 25 2c  7a 79 25 2d 31 29 0d 14  |one(zx%,zy%-1)..|
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000033a0  7a 79 25 29 0d 14 fa 16  f2 64 6f 7a 6f 6e 65 28  |zy%).....dozone(|
000033b0  7a 78 25 2b 31 2c 7a 79  25 29 0d 15 04 16 f2 64  |zx%+1,zy%).....d|
000033c0  6f 7a 6f 6e 65 28 7a 78  25 2c 7a 79 25 2b 31 29  |ozone(zx%,zy%+1)|
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00003420  28 61 25 29 0d 15 54 1f  f3 20 63 5f 78 73 25 28  |(a%)..T.. c_xs%(|
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00003540  74 74 6f 6d 25 2d 63 5f  79 73 25 28 61 25 2c 62  |ttom%-c_ys%(a%,b|
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00003560  e3 20 70 70 78 25 3d 31  20 b8 20 63 5f 78 73 25  |. ppx%=1 . c_xs%|
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00003580  25 3d 31 20 b8 20 63 5f  79 73 25 28 61 25 2c 62  |%=1 . c_ys%(a%,b|
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000035a0  25 2c 62 25 2c 70 70 78  25 2c 70 70 79 25 29 20  |%,b%,ppx%,ppy%) |
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000035c0  2c 31 2b 70 79 25 2b 70  70 79 25 29 20 8c 20 64  |,1+py%+ppy%) . d|
000035d0  25 3d a3 3a 70 70 78 25  3d 63 5f 78 73 25 28 61  |%=.:ppx%=c_xs%(a|
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00003640  44 13 e7 20 ac 20 63 25  20 8c 20 63 73 25 2b 3d  |D.. . c% . cs%+=|
00003650  34 0d 16 4e 05 ed 0d 16  58 0f 73 63 25 3d 73 63  |4..N....X.sc%=sc|
00003660  25 2b 63 73 25 0d 16 62  09 f2 70 75 6c 6c 0d 16  |%+cs%..b..pull..|
00003670  6c 05 e1 0d 16 76 05 3a  0d 16 80 07 dc 20 32 0d  |l....v.:..... 2.|
00003680  16 8a 0f dc 20 31 2c 33  2c 31 2c 31 2c 31 0d 16  |.... 1,3,1,1,1..|
00003690  94 0d dc 20 33 2c 31 2c  31 31 31 0d 16 9e 05 3a  |... 3,1,111....:|
000036a0  0d 16 a8 07 dc 20 34 0d  16 b2 0f dc 20 32 2c 32  |..... 4..... 2,2|
000036b0  2c 31 30 2c 31 31 0d 16  bc 0f dc 20 32 2c 32 2c  |,10,11..... 2,2,|
000036c0  31 31 2c 31 30 0d 16 c6  0f dc 20 32 2c 32 2c 31  |11,10..... 2,2,1|
000036d0  31 2c 30 31 0d 16 d0 0f  dc 20 32 2c 32 2c 30 31  |1,01..... 2,2,01|
000036e0  2c 31 31 0d 16 da 05 3a  0d 16 e4 07 dc 20 32 0d  |,11....:..... 2.|
000036f0  16 ee 11 dc 20 31 2c 34  2c 31 2c 31 2c 31 2c 31  |.... 1,4,1,1,1,1|
00003700  0d 16 f8 0e dc 20 34 2c  31 2c 31 31 31 31 0d 17  |..... 4,1,1111..|
00003710  02 05 3a 0d 17 0c 07 dc  20 38 0d 17 16 12 dc 20  |..:..... 8..... |
00003720  32 2c 33 2c 31 30 2c 31  30 2c 31 31 0d 17 20 18  |2,3,10,10,11.. .|
00003730  dc 20 32 2c 33 2c 30 31  30 30 2c 30 31 30 30 2c  |. 2,3,0100,0100,|
00003740  31 31 30 30 0d 17 2a 18  dc 20 32 2c 33 2c 31 31  |1100..*.. 2,3,11|
00003750  30 30 2c 31 30 30 30 2c  31 30 30 30 0d 17 34 18  |00,1000,1000..4.|
00003760  dc 20 32 2c 33 2c 31 31  30 30 2c 30 31 30 30 2c  |. 2,3,1100,0100,|
00003770  30 31 30 30 0d 17 3e 13  dc 20 33 2c 32 2c 31 31  |0100..>.. 3,2,11|
00003780  31 30 2c 31 30 30 30 0d  17 48 13 dc 20 33 2c 32  |10,1000..H.. 3,2|
00003790  2c 31 31 31 30 2c 30 30  31 30 0d 17 52 13 dc 20  |,1110,0010..R.. |
000037a0  33 2c 32 2c 31 30 30 30  2c 31 31 31 30 0d 17 5c  |3,2,1000,1110..\|
000037b0  13 dc 20 33 2c 32 2c 30  30 31 30 2c 31 31 31 30  |.. 3,2,0010,1110|
000037c0  0d 17 66 05 3a 0d 17 70  07 dc 20 34 0d 17 7a 18  |..f.:..p.. 4..z.|
000037d0  dc 20 32 2c 33 2c 31 30  30 30 2c 31 31 30 30 2c  |. 2,3,1000,1100,|
000037e0  31 30 30 30 0d 17 84 13  dc 20 33 2c 32 2c 31 31  |1000..... 3,2,11|
000037f0  31 30 2c 30 31 30 30 0d  17 8e 18 dc 20 32 2c 33  |10,0100..... 2,3|
00003800  2c 30 31 30 30 2c 31 31  30 30 2c 30 31 30 30 0d  |,0100,1100,0100.|
00003810  17 98 13 dc 20 33 2c 32  2c 30 31 30 30 2c 31 31  |.... 3,2,0100,11|
00003820  31 30 0d 17 a2 05 3a 0d  17 ac 07 dc 20 34 0d 17  |10....:..... 4..|
00003830  b6 18 dc 20 32 2c 33 2c  30 31 30 30 2c 31 31 30  |... 2,3,0100,110|
00003840  30 2c 31 30 30 30 0d 17  c0 18 dc 20 32 2c 33 2c  |0,1000..... 2,3,|
00003850  31 30 30 30 2c 31 31 30  30 2c 30 31 30 30 0d 17  |1000,1100,0100..|
00003860  ca 13 dc 20 33 2c 32 2c  31 31 30 30 2c 30 31 31  |... 3,2,1100,011|
00003870  30 0d 17 d4 13 dc 20 33  2c 32 2c 30 31 31 30 2c  |0..... 3,2,0110,|
00003880  31 31 30 30 0d 17 de 05  3a 0d 17 e8 07 dc 20 31  |1100....:..... 1|
00003890  0d 17 f2 13 dc 20 32 2c  32 2c 31 31 30 30 2c 31  |..... 2,2,1100,1|
000038a0  31 30 30 0d 17 fc 05 3a  0d 18 06 07 dc 20 32 0d  |100....:..... 2.|
000038b0  18 10 13 dc 20 31 2c 35  2c 31 2c 31 2c 31 2c 31  |.... 1,5,1,1,1,1|
000038c0  2c 31 0d 18 1a 0f dc 20  35 2c 31 2c 31 31 31 31  |,1..... 5,1,1111|
000038d0  31 0d 18 24 05 3a 0d 18  2e 07 dc 20 38 0d 18 38  |1..$.:..... 8..8|
000038e0  1d dc 20 32 2c 34 2c 31  30 30 30 2c 31 30 30 30  |.. 2,4,1000,1000|
000038f0  2c 31 30 30 30 2c 31 31  30 30 0d 18 42 1d dc 20  |,1000,1100..B.. |
00003900  32 2c 34 2c 30 31 30 30  2c 30 31 30 30 2c 30 31  |2,4,0100,0100,01|
00003910  30 30 2c 31 31 30 30 0d  18 4c 1d dc 20 32 2c 34  |00,1100..L.. 2,4|
00003920  2c 31 31 30 30 2c 31 30  30 30 2c 31 30 30 30 2c  |,1100,1000,1000,|
00003930  31 30 30 30 0d 18 56 1d  dc 20 32 2c 34 2c 31 31  |1000..V.. 2,4,11|
00003940  30 30 2c 30 31 30 30 2c  30 31 30 30 2c 30 31 30  |00,0100,0100,010|
00003950  30 0d 18 60 13 dc 20 34  2c 32 2c 31 31 31 31 2c  |0..`.. 4,2,1111,|
00003960  31 30 30 30 0d 18 6a 13  dc 20 34 2c 32 2c 31 31  |1000..j.. 4,2,11|
00003970  31 31 2c 30 30 30 31 0d  18 74 13 dc 20 34 2c 32  |11,0001..t.. 4,2|
00003980  2c 31 30 30 30 2c 31 31  31 31 0d 18 7e 13 dc 20  |,1000,1111..~.. |
00003990  34 2c 32 2c 30 30 30 31  2c 31 31 31 31 0d 18 88  |4,2,0001,1111...|
000039a0  05 3a 0d 18 92 07 dc 20  38 0d 18 9c 21 dc 20 32  |.:..... 8...!. 2|
000039b0  2c 34 2c 31 30 30 30 30  2c 31 31 30 30 30 2c 31  |,4,10000,11000,1|
000039c0  30 30 30 30 2c 31 30 30  30 30 0d 18 a6 21 dc 20  |0000,10000...!. |
000039d0  32 2c 34 2c 30 31 30 30  30 2c 31 31 30 30 30 2c  |2,4,01000,11000,|
000039e0  30 31 30 30 30 2c 30 31  30 30 30 0d 18 b0 21 dc  |01000,01000...!.|
000039f0  20 32 2c 34 2c 31 30 30  30 30 2c 31 30 30 30 30  | 2,4,10000,10000|
00003a00  2c 31 31 30 30 30 2c 31  30 30 30 30 0d 18 ba 21  |,11000,10000...!|
00003a10  dc 20 32 2c 34 2c 30 31  30 30 30 2c 30 31 30 30  |. 2,4,01000,0100|
00003a20  30 2c 31 31 30 30 30 2c  30 31 30 30 30 0d 18 c4  |0,11000,01000...|
00003a30  15 dc 20 34 2c 32 2c 31  31 31 31 30 2c 30 31 30  |.. 4,2,11110,010|
00003a40  30 30 0d 18 ce 15 dc 20  34 2c 32 2c 31 31 31 31  |00..... 4,2,1111|
00003a50  30 2c 30 30 31 30 30 0d  18 d8 15 dc 20 34 2c 32  |0,00100..... 4,2|
00003a60  2c 30 31 30 30 30 2c 31  31 31 31 30 0d 18 e2 15  |,01000,11110....|
00003a70  dc 20 34 2c 32 2c 30 30  31 30 30 2c 31 31 31 31  |. 4,2,00100,1111|
00003a80  30 0d 18 ec 05 3a 0d 18  f6 07 dc 20 38 0d 19 00  |0....:..... 8...|
00003a90  21 dc 20 32 2c 34 2c 30  31 30 30 30 2c 31 31 30  |!. 2,4,01000,110|
00003aa0  30 30 2c 31 30 30 30 30  2c 31 30 30 30 30 0d 19  |00,10000,10000..|
00003ab0  0a 21 dc 20 32 2c 34 2c  31 30 30 30 30 2c 31 31  |.!. 2,4,10000,11|
00003ac0  30 30 30 2c 30 31 30 30  30 2c 30 31 30 30 30 0d  |000,01000,01000.|
00003ad0  19 14 21 dc 20 32 2c 34  2c 31 30 30 30 30 2c 31  |..!. 2,4,10000,1|
00003ae0  30 30 30 30 2c 31 31 30  30 30 2c 30 31 30 30 30  |0000,11000,01000|
00003af0  0d 19 1e 21 dc 20 32 2c  34 2c 30 31 30 30 30 2c  |...!. 2,4,01000,|
00003b00  30 31 30 30 30 2c 31 31  30 30 30 2c 31 30 30 30  |01000,11000,1000|
00003b10  30 0d 19 28 15 dc 20 34  2c 32 2c 31 31 31 30 30  |0..(.. 4,2,11100|
00003b20  2c 30 30 31 31 30 0d 19  32 15 dc 20 34 2c 32 2c  |,00110..2.. 4,2,|
00003b30  30 31 31 31 30 2c 31 31  30 30 30 0d 19 3c 15 dc  |01110,11000..<..|
00003b40  20 34 2c 32 2c 30 30 31  31 30 2c 31 31 31 30 30  | 4,2,00110,11100|
00003b50  0d 19 46 15 dc 20 34 2c  32 2c 31 31 30 30 30 2c  |..F.. 4,2,11000,|
00003b60  30 31 31 31 30 0d 19 50  05 3a 0d 19 5a 07 dc 20  |01110..P.:..Z.. |
00003b70  34 0d 19 64 15 dc 20 33  2c 33 2c 31 30 30 2c 31  |4..d.. 3,3,100,1|
00003b80  30 30 2c 31 31 31 0d 19  6e 15 dc 20 33 2c 33 2c  |00,111..n.. 3,3,|
00003b90  31 31 31 2c 31 30 30 2c  31 30 30 0d 19 78 15 dc  |111,100,100..x..|
00003ba0  20 33 2c 33 2c 31 31 31  2c 30 30 31 2c 30 30 31  | 3,3,111,001,001|
00003bb0  0d 19 82 15 dc 20 33 2c  33 2c 30 30 31 2c 30 30  |..... 3,3,001,00|
00003bc0  31 2c 31 31 31 0d 19 8c  05 3a 0d 19 96 07 dc 20  |1,111....:..... |
00003bd0  34 0d 19 a0 15 dc 20 33  2c 33 2c 31 31 31 2c 30  |4..... 3,3,111,0|
00003be0  31 30 2c 30 31 30 0d 19  aa 15 dc 20 33 2c 33 2c  |10,010..... 3,3,|
00003bf0  30 31 30 2c 30 31 30 2c  31 31 31 0d 19 b4 15 dc  |010,010,111.....|
00003c00  20 33 2c 33 2c 31 30 30  2c 31 31 31 2c 31 30 30  | 3,3,100,111,100|
00003c10  0d 19 be 15 dc 20 33 2c  33 2c 30 30 31 2c 31 31  |..... 3,3,001,11|
00003c20  31 2c 30 30 31 0d 19 c8  05 3a 0d 19 d2 07 dc 20  |1,001....:..... |
00003c30  38 0d 19 dc 15 dc 20 33  2c 33 2c 30 31 30 2c 30  |8..... 3,3,010,0|
00003c40  31 31 2c 31 31 30 0d 19  e6 15 dc 20 33 2c 33 2c  |11,110..... 3,3,|
00003c50  30 31 30 2c 31 31 30 2c  30 31 31 0d 19 f0 15 dc  |010,110,011.....|
00003c60  20 33 2c 33 2c 31 31 30  2c 30 31 31 2c 30 31 30  | 3,3,110,011,010|
00003c70  0d 19 fa 15 dc 20 33 2c  33 2c 30 31 31 2c 31 31  |..... 3,3,011,11|
00003c80  30 2c 30 31 30 0d 1a 04  15 dc 20 33 2c 33 2c 30  |0,010..... 3,3,0|
00003c90  31 30 2c 31 31 31 2c 31  30 30 0d 1a 0e 15 dc 20  |10,111,100..... |
00003ca0  33 2c 33 2c 30 31 30 2c  31 31 31 2c 30 30 31 0d  |3,3,010,111,001.|
00003cb0  1a 18 15 dc 20 33 2c 33  2c 31 30 30 2c 31 31 31  |.... 3,3,100,111|
00003cc0  2c 30 31 30 0d 1a 22 15  dc 20 33 2c 33 2c 30 30  |,010..".. 3,3,00|
00003cd0  31 2c 31 31 31 2c 30 31  30 0d 1a 2c 05 3a 0d 1a  |1,111,010..,.:..|
00003ce0  36 07 dc 20 34 0d 1a 40  15 dc 20 33 2c 33 2c 30  |6.. 4..@.. 3,3,0|
00003cf0  31 31 2c 30 31 30 2c 31  31 30 0d 1a 4a 15 dc 20  |11,010,110..J.. |
00003d00  33 2c 33 2c 31 31 30 2c  30 31 30 2c 30 31 31 0d  |3,3,110,010,011.|
00003d10  1a 54 15 dc 20 33 2c 33  2c 31 30 30 2c 31 31 31  |.T.. 3,3,100,111|
00003d20  2c 30 30 31 0d 1a 5e 15  dc 20 33 2c 33 2c 30 30  |,001..^.. 3,3,00|
00003d30  31 2c 31 31 31 2c 31 30  30 0d 1a 68 05 3a 0d 1a  |1,111,100..h.:..|
00003d40  72 07 dc 20 31 0d 1a 7c  15 dc 20 33 2c 33 2c 30  |r.. 1..|.. 3,3,0|
00003d50  31 30 2c 31 31 31 2c 30  31 30 0d 1a 86 05 3a 0d  |10,111,010....:.|
00003d60  1a 90 07 dc 20 34 0d 1a  9a 15 dc 20 32 2c 33 2c  |.... 4..... 2,3,|
00003d70  31 31 30 2c 31 30 30 2c  31 31 30 0d 1a a4 11 dc  |110,100,110.....|
00003d80  20 33 2c 32 2c 31 31 31  2c 31 30 31 0d 1a ae 15  | 3,2,111,101....|
00003d90  dc 20 32 2c 33 2c 31 31  30 2c 30 31 30 2c 31 31  |. 2,3,110,010,11|
00003da0  30 0d 1a b8 11 dc 20 33  2c 32 2c 31 30 31 2c 31  |0..... 3,2,101,1|
00003db0  31 31 0d 1a c2 05 3a 0d  1a cc 07 dc 20 34 0d 1a  |11....:..... 4..|
00003dc0  d6 15 dc 20 33 2c 33 2c  31 30 30 2c 31 31 30 2c  |... 3,3,100,110,|
00003dd0  30 31 31 0d 1a e0 15 dc  20 33 2c 33 2c 30 31 31  |011..... 3,3,011|
00003de0  2c 31 31 30 2c 31 30 30  0d 1a ea 15 dc 20 33 2c  |,110,100..... 3,|
00003df0  33 2c 31 31 30 2c 30 31  31 2c 30 30 31 0d 1a f4  |3,110,011,001...|
00003e00  15 dc 20 33 2c 33 2c 30  30 31 2c 30 31 31 2c 31  |.. 3,3,001,011,1|
00003e10  31 30 0d 1a fe 05 3a 0d  1b 08 07 dc 20 38 0d 1b  |10....:..... 8..|
00003e20  12 15 dc 20 32 2c 33 2c  31 30 30 2c 31 31 30 2c  |... 2,3,100,110,|
00003e30  31 31 30 0d 1b 1c 15 dc  20 32 2c 33 2c 30 31 30  |110..... 2,3,010|
00003e40  2c 31 31 30 2c 31 31 30  0d 1b 26 15 dc 20 32 2c  |,110,110..&.. 2,|
00003e50  33 2c 31 31 30 2c 31 31  30 2c 31 30 30 0d 1b 30  |3,110,110,100..0|
00003e60  15 dc 20 32 2c 33 2c 31  31 30 2c 31 31 30 2c 30  |.. 2,3,110,110,0|
00003e70  31 30 0d 1b 3a 11 dc 20  33 2c 32 2c 31 31 31 2c  |10..:.. 3,2,111,|
00003e80  31 31 30 0d 1b 44 11 dc  20 33 2c 32 2c 31 31 30  |110..D.. 3,2,110|
00003e90  2c 31 31 31 0d 1b 4e 11  dc 20 33 2c 32 2c 31 31  |,111..N.. 3,2,11|
00003ea0  31 2c 30 31 31 0d 1b 58  11 dc 20 33 2c 32 2c 30  |1,011..X.. 3,2,0|
00003eb0  31 31 2c 31 31 31 0d ff                           |11,111..|
00003eb8