C31232233133313221211113313331311331333133313331311331333133313231333131232311   >>    C3123223313331322121111331333131133133313331333131133133313331323133313123231   <<    C31232233133313221211113313331311331333133313331311331333133313231333131232313   >>      C31232233133313221211113313331311331333133313331311331333133313231333131232312   >>