@1
SUB 2
SAV
S: MOV UP, ACC
JNZ R
SWP
ADD 1
SAV
JGZ O
Q: MOV 0, DOWN
JMP S
R: MOV -2, ACC
SAV
JMP Q
O: MOV 1, DOWN
JMP S

@4
MOV UP, DOWN

@8
MOV UP, RIGHT

@9
MOV LEFT, DOWN
