$Time $I A $I B $I C $I D $O AD $O X $O OUTPUT 7708 0 0 0 1 0 0 0 $D 80 0 0 1 0 0 1 1 $D 80 0 0 0 0 0 0 0 $D 80 0 0 1 1 0 1 1 $D 80 0 1 0 0 0 0 0 $D 80 0 1 0 1 0 0 0 $D 80 0 1 1 0 0 0 0 $D 80 0 1 1 1 0 0 0 $D 80 1 0 0 0 0 0 0 $D 80 1 0 0 1 1 0 0 $D 80 1 0 1 0 0 1 0 $D 80 1 0 1 1 1 1 1 $D 80 1 1 0 0 0 0 0 $D 80 1 1 0 1 1 0 0 $D 80 1 1 1 0 0 0 0 $D 80 1 1 1 1 1 0 0