@1
MOV UP, DOWN

@4
MOV UP, RIGHT

@5
MOV LEFT, DOWN

@9
A: MOV UP, ACC
MOV 0, DOWN
JNZ A
MOV UP, ACC
MOV 0, DOWN
JNZ A
MOV UP, ACC
JNZ N
D: MOV 1, DOWN
MOV UP, ACC
JEZ D
N: MOV 0, DOWN
