@0
   MOV -65 ACC
   MOV UP  DOWN
   MOV UP  RIGHT
   MOV UP  RIGHT
   MOV UP  RIGHT
   MOV UP  RIGHT
   MOV UP  DOWN
L: SWP
   MOV UP  ACC
O: MOV ACC DOWN
   MOV ACC DOWN
   SWP
   ADD 2
   JLZ L
   JMP O

@1
   MOV LEFT DOWN
   MOV LEFT DOWN
   MOV LEFT ACC
   JMP S
L: MOV LEFT ACC
Z: SWP
N: MOV ACC DOWN
   MOV ACC DOWN
   SWP
S: SAV
   SUB LEFT
   JLZ L
G: MOV LEFT ACC
   JEZ Z
   JMP N

@2


@3
   MOV UP DOWN
   MOV UP ACC
   JMP S

L: MOV UP ACC
Z: SWP
N: MOV ACC RIGHT
   MOV ACC RIGHT
   SWP
S: SAV
   SUB UP
   JLZ L
G: MOV UP ACC
   JEZ Z
   JMP N

@4
   MOV UP ACC
   JMP S

L: MOV LEFT ACC
Z: SWP
N: MOV ACC UP
   MOV ACC UP
   SWP
S: SAV
   SUB LEFT
   JLZ L
G: MOV LEFT ACC
   JNZ N
   JMP Z

@5
   MOV UP DOWN
   MOV UP ACC
   JMP S

L: MOV UP ACC
Z: SWP
N: MOV ACC DOWN
   MOV ACC DOWN
   SWP
S: SAV
   SUB UP
   JLZ L
G: MOV UP ACC
   JEZ Z
   JMP N

@6


@7
   MOV ANY ACC
   JNZ S
L: MOV RIGHT ACC
Z: SWP
N: MOV ACC DOWN
   SWP
S: SAV
   SUB RIGHT
   JLZ L
G: MOV RIGHT ACC
   JNZ N
   SWP
   MOV ACC DOWN
   MOV   0 DOWN
   MOV RIGHT NIL

@8
   MOV UP ACC
   JMP S

L: MOV UP ACC
Z: SWP
N: MOV ACC LEFT
   MOV ACC LEFT
   SWP
S: SAV
   SUB UP
   JLZ L
G: MOV UP ACC
   JEZ Z
   JMP N