@1
MOV RIGHT, ACC
MOV UP, DOWN
L: MOV ACC, DOWN
JRO DOWN
MOV ACC, DOWN

@2
MOV UP, LEFT

@4
MOV UP, ACC
L: SUB UP
JLZ E
MOV -1, UP
MOV 4, DOWN
JMP L
E: MOV 1, UP
ADD UP
MOV 1, DOWN
MOV ACC, DOWN

@7
JRO UP
MOV ACC, DOWN
MOV UP, RIGHT
MOV -1, ACC
ADD 1

@8
MOV LEFT, DOWN
