@0
MOV UP RIGHT

@1
   MOV LEFT ACC
   JEZ E
   MOV 27 LAST
S: SUB 3
   JGZ A
   ADD 4
A: MOV ACC ANY
   ADD 2
E: SUB 1
   MOV ACC DOWN

@2


@3


@4
B: MOV UP DOWN
   MOV 1 DOWN
   MOV ACC DOWN
   MOV UP DOWN
   SUB UP
   JLZ L
   MOV 2 DOWN
   JEZ E
   SUB ACC
   JRO UP
L: MOV -1 DOWN
   ADD 30
E: MOV ACC DOWN

@5


@6


@7
MOV LAST DOWN
MOV ACC DOWN
   JRO ANY
   MOV 3 DOWN
   JMP B
   JMP B
   MOV 0 DOWN
B: MOV 3 DOWN
A: ADD UP
   MOV -1 DOWN

@8