@1
MOV UP, ACC
MOV ACC, RIGHT
MOV ACC, DOWN

@2
MOV LEFT, DOWN

@5
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, DOWN

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

@8
MOV 99, ACC
L: SAV
SUB UP
JLZ K
MOV UP, ACC
JEZ D
JMP L
K: SWP
MOV UP, NIL
JMP L
D: SWP
MOV ACC, DOWN

@9
MOV 0, ACC
L: SAV
SUB UP
JGZ K
MOV UP, ACC
JMP L
K: MOV UP, ACC
JEZ D
SWP
JMP L
D: SWP
MOV ACC, DOWN
