@1
L: MOV UP, ACC
MOV ACC, DOWN
JEZ E
MOV -2, DOWN
JMP L
E: MOV 1, DOWN

@4
L: ADD UP
MOV -1, RIGHT
JRO UP
MOV 1, RIGHT
MOV ACC, DOWN
MOV 0, ACC

@5
MOV -2, ACC
L: ADD 1
JRO LEFT
MOV ACC, DOWN

@8
MOV UP, DOWN

@9
MOV UP, DOWN
