C32133223331333131133132212111133133313331333132311311312333311221122121   >>    C3213322333133313113313221211113313331333133313231131131233331122112212   <<    C32133223331333131133132212111133133313331333132311311312333311221122123   >>      C32133223331333131133132212111133133313331333132311311312333311221122122   >>