z=15 if :wc and :ws==4 then goto2 else goto1 end
if:wc==0 or :ws!=4 thengoto1else :rb1=c :rb3=c :rb5=c :rb7=c end
ifb==1 thenc+=4 elsec-=1end ifc>z thenb=0 end ifc<10 thenb=1end goto2