15 puzzle  A "15 PUZZLE"  W G Davies 1982 dG8,11 ;"15 PUZZLE";20,6;"Choose your colours" na$="OEMKLJCGAHFDNIB " xl=1000:b$(16) c$="ABCDEFGHIJKLMNO " "Border ";a,"Ink ";b a:b:7 !:c=80P17624 !c,40(:0,96`:c @d=40(13624:80P,d:96`,0:d .j=0:k=1:p=15:q=20 En=6153:m=11 203:n,m;a$(k) k=k+1:m:n 490 r=p:s=q:=""250 6="5"Ŧ=8s=q+3:s>20250 6="8"Ŧ=9 s=q-3:s<11 250 7="6"Ŧ=10 r=p-3::r<6250 "7="7"Ŧ=11 r=p+3:r>15250 ,$"5"Ʀ"6"Ʀ"7"Ʀ"8"250 617:.1}L,0:p,q;(r,s);r,s;" " @400:p=r:q=s J"j=j+1:3,15;j ^ 250 Ra=1:n=6153:m=11 203:b$(a)=(n,m) a=a+1:m:n b$=c$440  A19,12 ;"CORRECT":b=116:.5,b:b 221,2;"Press any key to play again." =""460 221,2;" " 419,12 ;" ":600X:200 y=1502 "r=p:s=q:x=(*4)+5 /x=5s=q+3:s>20500 /x=8s=q-3:s<11 500 .x=6r=p-3:r<6500 /x=7r=p+3:r>15500 &p,q;(r,s);r,s;" " 01p=r:q=s:y:.5,9 :.5,5 : X j