@0
MOV 8, ACC
I:MOV 0, LEFT
SUB 1
JGZ I
L:MOV UP, DOWN
JMP L

@3
MOV RIGHT, ACC
ADD 1
SAV
L1:MOV UP, DOWN
SUB 1
JGZ L1
MOV DOWN, RIGHT
MOV RIGHT, DOWN
SWP
L2:MOV DOWN, UP
SUB 1
JGZ L2

@4
MOV UP, ACC
MOV UP, LEFT
JEZ W
MOV LEFT, ACC
MOV ACC, DOWN
MOV ACC, LEFT
JMP E
W:MOV LEFT, NIL
MOV UP, LEFT
E:

@7
MOV UP, DOWN
