@1
MOV UP, DOWN

@5
MOV UP, ACC
NEG
L: MOV 1, RIGHT
ADD 18
MOV ACC, RIGHT
SUB 17
JLZ L
MOV 6, RIGHT

@6
B: JRO LEFT
MOV ACC, DOWN
MOV LEFT, DOWN
MOV 3, DOWN
MOV -1, DOWN
JMP B
ADD 1

@9
MOV UP, DOWN
