@1
L: MOV UP, ACC
MOV ACC, DOWN
JEZ E
MOV -4, DOWN
JMP L
E: MOV 1, DOWN

@4
L: SWP
ADD 1
SWP
ADD UP
JRO UP
MOV ACC, DOWN
SWP
SUB 1
MOV ACC, DOWN
MOV 0, ACC
SAV

@8
MOV UP, DOWN
MOV UP, RIGHT

@9
MOV LEFT, DOWN
