C312322331333132212111133133313331333133312121111121133131133132311211321   >>    C31232233133313221211113313331333133313331212111112113313113313231121132   <<    C312322331333132212111133133313331333133312121111121133131133132311211323   >>      C312322331333132212111133133313331333133312121111121133131133132311211322   >>