BIT_TMP BIT_TMP A == B 0 1 2 3 4 --------------- 0| 1 0 0 0 3 1| 0 1 0 2 3 2| 0 0 2 0 3 3| 0 2 0 1 3 4| 0 0 0 0 0 0 1 2 3 4 --------------- 0| 1 0 0 0 0 1| 0 1 0 2 0 2| 0 0 2 0 0 3| 0 2 0 1 0 4| 3 3 3 3 0