@0
MOV UP, ACC
MOV ACC, RIGHT
NOP

@1
MOV UP, DOWN

@3
I: MOV ACC, DOWN
MOV UP, ACC
JNZ I
R: MOV ACC, UP
MOV DOWN, ACC
JNZ R
MOV ACC, DOWN
MOV RIGHT, ACC
JEZ P
A: MOV UP, DOWN
SUB 1
JNZ A
P: MOV UP, ACC
MOV ACC, RIGHT

@4
MOV UP, LEFT
MOV LEFT, DOWN

@7
MOV UP, DOWN
