@1
MOV UP, RIGHT

@2
MOV LEFT, DOWN
MOV UP, DOWN

@5
S: MOV UP, ACC
SAV
MOV UP, ACC
MOV ACC, DOWN
JEZ S
L: SWP
MOV ACC, DOWN
SWP
SUB 1
JGZ L

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