C312322331333132212111133133313331333133312121111331211111333133313211221   >>    C31232233133313221211113313331333133313331212111133121111133313331321122   <<    C312322331333132212111133133313331333133312121111331211111333133313211223   >>      C312322331333132212111133133313331333133312121111331211111333133313211222   >>