@1
L: MOV UP, ACC
MOV ACC, RIGHT
JNZ L
MOV ACC, DOWN
MOV DOWN, NIL

@4
MOV UP, RIGHT
MOV RIGHT, UP

@5
MOV ACC, UP
MOV LEFT, NIL
MOV UP, NIL
P: MOV UP, ACC
MOV ACC, DOWN
JNZ P
MOV ACC, LEFT

@7
MOV UP, DOWN
