@1
S: MOV UP ACC
JEZ Z
NEG
A: MOV ACC RIGHT
MOV UP ACC
JNZ A
B: MOV RIGHT ACC
MOV ACC DOWN
JGZ B
JMP S
Z: MOV 0 DOWN

@4
MOV UP ACC
JGZ P
NEG
JEZ P
MOV ACC DOWN
MOV 0 ACC
P: MOV ACC DOWN

@7
MOV LEFT DOWN
