@1
S: MOV UP, ACC
JNZ N
Z1: MOV 0, DOWN
MOV UP, ACC
JEZ Z2
JMP N
Z2: MOV 0, DOWN
MOV UP, ACC
JEZ F
JMP N
F: MOV 1, DOWN
MOV UP, ACC
JEZ F
JMP N
N: MOV 0, DOWN

@4
MOV UP, DOWN

@8
MOV UP, RIGHT

@9
MOV LEFT, DOWN
