@0
Z: MOV ANY   DOWN
S: MOV ANY   ACC
   MOV ACC   DOWN
   JGZ S
   MOV 0     RIGHT
   MOV DOWN  NIL
   JMP R

L: MOV RIGHT ACC
   MOV DOWN  RIGHT
G: MOV ACC   RIGHT
   SUB DOWN
   JLZ L
R: MOV DOWN  ACC
   JNZ G

@1


@2


@3
G: MOV ACC  DOWN
   MOV UP   ACC
   JGZ G

S: MOV DOWN ACC
   MOV ACC  UP
   MOV ACC  UP
   JGZ S

   MOV UP   RIGHT

@4
MOV LEFT DOWN

@5


@6


@7
MOV UP DOWN

@8