@1
MOV UP, RIGHT

@2
MOV LEFT, ACC
SAV
MOV UP, ACC
MOV ACC, DOWN
JEZ E
L: SWP
MOV ACC, DOWN
SWP
SUB 1
JGZ L
E:

@5
MOV UP, DOWN

@7
MOV UP, ACC
JEZ D
L: SWP
ADD UP
SWP
SUB 1
JGZ L
D: SWP
MOV ACC, DOWN
