@1
MOV UP, RIGHT
MOV UP, DOWN

@2
MOV LEFT, ACC
SUB 4
SAV
ADD 5
LP: SWP
ADD 4
SWP
SUB 16
JGZ LP
MOV ACC, DOWN
SWP
MOV ACC, DOWN

@5
MOV UP, ACC
SUB 2
SAV
ADD 3
LP: SWP
ADD 2
SWP
SUB 8
JGZ LP
SWP
MOV ACC, RIGHT

@6
MOV UP, ACC
SAV
MOV UP, ACC
SWP
ADD 8
JGZ Y
SWP
JMP O
Y: SWP
ADD 2
O: MOV ACC, DOWN
MOV LEFT, DOWN

@9
MOV UP, DOWN
