@0
MOV UP DOWN
NOP

## FEWEST CYCLES

@1
1: MOV UP ACC
U: JEZ 0
JMP 1

0: MOV UP ACC
JEZ U

HI: MOV 2 DOWN

@2
1: MOV UP ACC
U: JEZ 0
JMP 1

0: MOV UP ACC
JEZ U

HI: MOV 3 DOWN

@3
MOV UP NIL

K: MOV UP DOWN
JMP K

@4
JRO UP
MOV 1 RIGHT

1: MOV UP ACC
JNZ 1

@5
MOV ANY DOWN

@6
MOV ANY LEFT

@7
JRO UP
MOV 4 LEFT

1: MOV UP ACC
JNZ 1

@8
MOV UP RIGHT

@9
MOV RIGHT UP
MOV LEFT NIL

LOOP: MOV ANY DOWN
JMP LOOP

@10
MOV 0 LEFT