@1
MOV UP,RIGHT

@2
S: MOV UP,ACC
JLZ A
JGZ B
Z: MOV LEFT,ACC
ADD RIGHT
MOV ACC,DOWN
MOV UP,ACC
JGZ B
JEZ Z
A: MOV LEFT,DOWN
MOV RIGHT,NIL
JMP S
B: MOV LEFT,NIL
MOV RIGHT,DOWN

@3
MOV UP,LEFT

@6
MOV UP,DOWN

@9
MOV UP,DOWN
