@1
MOV UP, DOWN

@4
MOV UP, RIGHT
MOV UP, ACC
SAV
MOV UP, RIGHT
MOV UP, ACC
L: SWP
MOV ACC, RIGHT
ADD 1
SWP
SUB 1
JGZ L
MOV -1, RIGHT

@5
S: MOV LEFT, DOWN
MOV LEFT, ACC
SAV
R: MOV LEFT, ACC
MOV ACC, DOWN
JLZ S
SWP
MOV ACC, DOWN
SWP
JMP R

@9
S: MOV UP, ACC
SAV
R: MOV UP, ACC
JLZ S
SWP
MOV ACC, DOWN
SWP
MOV ACC, DOWN
MOV UP, ACC
L: MOV 3, DOWN
SUB 1
JGZ L
MOV -1, DOWN
JMP R
