@0
ADD RIGHT
JGZ Z
SUB ACC
Z: MOV ACC, DOWN

@1
L: MOV UP, ACC
JEZ Z
MOV -999, LEFT
JMP L
Z: MOV 1, LEFT

@3
MOV UP, ACC
ADD 996
MOV ACC, DOWN

@7
MOV UP, ACC
SUB 998
MOV ACC, RIGHT

@8
MOV LEFT, ACC
SUB 999
MOV ACC, RIGHT

@9
MOV LEFT, ACC
ADD 999
MOV ACC, DOWN
