@0
   MOV RIGHT RIGHT
   MOV UP ACC
   ADD ACC
   SAV
N: SUB RIGHT
G: MOV -1 RIGHT
   SUB RIGHT
   MOV  -1 RIGHT
   SUB RIGHT
   MOV  -1 RIGHT
   JGZ G
   MOV -4 RIGHT
   SWP
   JGZ N

@1
JMP S
MOV 999 DOWN
S:SUB 11
NEG

MOV ACC ANY
JRO LEFT

MOV UP ACC

@2


@3
S: MOV -999 ACC

L: ADD ANY
   JLZ L

   MOV ACC DOWN

@4


@5
MOV RIGHT DOWN

@6
MOV UP DOWN
MOV UP LEFT

@7