@1
MOV UP, ACC
ADD 4
MOV ACC, DOWN
ADD 1
MOV ACC, DOWN

@2
SWP
MOV ACC, DOWN
SWP
MOV ACC, DOWN
SAV
MOV UP, ACC
MOV ACC, DOWN

@5
MOV UP, DOWN

@6
SWP
MOV ACC, DOWN
SWP
MOV ACC, DOWN
SWP
MOV UP, ACC
MOV ACC, DOWN
MOV UP, DOWN
MOV UP, DOWN

@8
MOV UP, RIGHT

@9
MOV LEFT, ACC
JEZ PK
L1: MOV UP, NIL
SUB 1
JGZ L1
PK: MOV UP, DOWN
JRO LEFT
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
NOP
