@1
MOV UP, DOWN
MOV UP, DOWN
MOV UP, ACC
SAV
MOV UP, ACC
L: SWP
MOV ACC, DOWN
SWP
MOV ACC, DOWN
SUB 1
JGZ L

@4
MOV UP, DOWN

@8
S: MOV UP, ACC
SAV
MOV UP, ACC
L: SWP
MOV ACC, RIGHT
SWP
MOV ACC, RIGHT
MOV UP, RIGHT
ADD 1
JRO UP
JMP S
JMP L

@9
MOV LEFT, DOWN
MOV LEFT, DOWN
MOV LEFT, ACC
L: MOV 3, DOWN
SUB 1
JGZ L
MOV -1, DOWN
