@1
MOV UP RIGHT

@2
L: MOV UP ACC
JEZ Z
T: JLZ A
MOV LEFT NIL
MOV RIGHT DOWN
JMP L
A: MOV RIGHT NIL
MOV LEFT DOWN
MOV UP ACC
JNZ T
Z: MOV LEFT ACC
ADD RIGHT
MOV ACC DOWN

@3
MOV UP LEFT

@6
MOV UP DOWN

@9
MOV UP DOWN
