@0
MOV 0, RIGHT
L: MOV ACC, RIGHT
MOV UP, ACC
JNZ L
JRO 0

@1
MOV UP, DOWN

@3
L: MOV ACC, DOWN
MOV UP, ACC
JNZ L
MOV ACC, UP
MOV RIGHT, ACC
C: SUB 1
JLZ F
MOV DOWN, UP
JMP C
F: MOV DOWN, ACC
MOV ACC, RIGHT

@4
MOV 25, ACC
S: SUB 1
JGZ S
MOV ACC, LEFT
MOV LEFT, NIL
L: MOV UP, LEFT
MOV LEFT, DOWN
JMP L

@7
MOV UP, DOWN
