@5
MOV 3, DOWN
MOV 0, DOWN

@9
R: MOV 0, DOWN
SWP
MOV ACC, DOWN
ADD 1
SAV
MOV 7, ACC
B: MOV UP, DOWN
MOV UP, DOWN
MOV UP, DOWN
MOV UP, DOWN
MOV UP, DOWN
SUB 1
JNZ B
MOV -1, DOWN
