@0
MOV 8 ACC
I:MOV 0 LEFT
SUB 1
JGZ I
L:MOV UP DOWN
JMP L

@3
S:MOV RIGHT ACC
SAV
JMP F
A:MOV UP DOWN
SUB 1
F:JGZ A
MOV UP RIGHT
MOV RIGHT UP
SWP
JMP B
C:MOV DOWN UP
SUB 1
B:JGZ C

@4
S:MOV UP ACC
MOV UP LEFT
JEZ W
MOV LEFT ACC
MOV ACC DOWN
MOV ACC LEFT
JMP S
W:MOV LEFT NIL
MOV UP LEFT

@7
MOV UP DOWN
