@0
MOV UP DOWN

@1
#G E L
#0 1 0
#0 0 1
#1 0 0


#0 = 0
#1 = 1
#2 = 0

#G:02
#E:12
#L:01

@2


@3


@4
MOV UP DOWN

@5
MOV UP RIGHT

@6
S: MOV LEFT RIGHT
   MOV 0    ANY
   MOV 1    ANY

@7
   MOV LEFT ACC
   JGZ N
   JLZ N
Z: MOV LEFT DOWN
   MOV 0    RIGHT
   JRO -99
N: MOV LEFT RIGHT
   MOV 0    DOWN

@8
MOV LEFT ANY