@0
MOV UP RIGHT

@1
MOV UP ACC
ADD ACC
ADD LEFT
MOV ACC RIGHT

@2
MOV UP ACC
JEZ Z
MOV 3 ACC
Z: ADD LEFT
ADD RIGHT
MOV ACC DOWN

@3
MOV UP ACC
ADD ACC
ADD ACC
MOV ACC LEFT

@6
MOV ACC DOWN
MOV UP ACC
MOV ACC DOWN

@9
MOV UP ACC
NEG
ADD UP
JGZ O
MOV 0 ACC
O: MOV ACC DOWN
