@0
MOV 8 ACC
I: MOV 0 LEFT
SUB 1
JNZ I
R: MOV UP DOWN
JMP R

@3
R: MOV RIGHT ACC
SAV
JEZ A
L: MOV UP DOWN
SUB 1
JGZ L
A: MOV UP RIGHT
MOV RIGHT UP
SWP
JEZ R
B: MOV DOWN UP
SUB 1
JGZ B

@4
R: MOV UP ACC
MOV UP LEFT
JEZ W
MOV LEFT ACC
MOV ACC LEFT
MOV ACC DOWN
JMP R
W: MOV LEFT NIL
MOV UP LEFT

@7
MOV UP DOWN
