C32133223331333131133132212111133133313331323223332322231312323211   >>    C3213322333133313113313221211113313331333132322333232223131232321   <<    C32133223331333131133132212111133133313331323223332322231312323213   >>      C32133223331333131133132212111133133313331323223332322231312323212   >>