z=15 if :wc and :ws==4 then goto2 else goto1 end
if:wc==0 or :ws!=4 thengoto1else :rb2=c :rb4=c :rb6=c :rb8=c end
ifb==0 thenc+=4 elsec-=1end ifc>z thenb=1 end ifc<10 thenb=0end goto2