C11111333133313232233133313331333131133131331121111331311323131   >>    C1111133313331323223313331333133313113313133112111133131132313   <<    C11111333133313232233133313331333131133131331121111331311323133   >>      C11111333133313232233133313331333131133131331121111331311323132   >>