@1
MOV UP, RIGHT

@2
MOV LEFT, DOWN

@6
MOV UP, ACC
NEG
L: SWP
MOV ACC, DOWN
SWP
ADD 18
MOV ACC, DOWN
ADD -17
JNZ L
SWP
ADD 1
SAV

@9
MOV UP, DOWN
MOV UP, DOWN
MOV 3, DOWN
MOV -1, DOWN
