@1
MOV 0, RIGHT
L: MOV UP, ACC
JEZ E
MOV ACC, RIGHT
JMP L
E: MOV ACC, DOWN
MOV DOWN, NIL

@4
MOV UP, RIGHT
MOV RIGHT, UP

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

@7
MOV UP, DOWN
