@1
MOV UP, ACC
MOV ACC, RIGHT
SUB UP
MOV ACC, RIGHT

@2
MOV LEFT, ACC
L: SUB 1
JLZ C
MOV UP, NIL
JMP L
C: ADD LEFT
K: MOV UP, DOWN
ADD 1
JLZ K
MOV 0, DOWN
D: MOV UP, ACC
JNZ D

@6
MOV UP, DOWN

@9
MOV UP, DOWN
