@1
MOV UP, DOWN

@3
MOV RIGHT, ACC
SAV
MOV RIGHT, ACC
L: SWP
MOV ACC, RIGHT
SWP
SUB 1
JNZ L

@4
MOV UP, ACC
SAV
MOV UP, RIGHT
MOV UP, ACC
MOV ACC, LEFT
MOV UP, ACC
MOV ACC, LEFT
MOV ACC, RIGHT
L: SWP
MOV ACC, RIGHT
SWP
MOV LEFT, RIGHT
SUB 1
JNZ L

@5
MOV LEFT, ACC
SAV
MOV LEFT, ACC
L: MOV LEFT, DOWN
SWP
MOV ACC, DOWN
ADD 1
SWP
MOV LEFT, DOWN
SUB 1
JNZ L

@9
MOV UP, DOWN
MOV UP, DOWN
MOV UP, ACC
L: MOV 3, DOWN
SUB 1
JNZ L
MOV -1, DOWN
