@1
MOV UP, DOWN

@4
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, RIGHT

@5
S:MOV LEFT, ACC
JEZ Z
MOV 3, DOWN
JMP S
Z:MOV 1, DOWN

@7
MOV ACC, RIGHT
MOV RIGHT, ACC

@8
S:MOV UP, ACC
JEZ Z
ADD LEFT
MOV ACC, LEFT
JMP S
Z:MOV LEFT, DOWN
MOV 0, LEFT

@9
JRO UP
MOV ACC, DOWN
MOV -1, ACC
ADD 1
