C111112111133131121133133313331333132313232233131133132212123331   >>    C11111211113313112113313331333133313231323223313113313221212333   <<    C111112111133131121133133313331333132313232233131133132212123333   >>      C111112111133131121133133313331333132313232233131133132212123332   >>