C11111333133313232233133313331333131133131331121111331333113121121   >>    C1111133313331323223313331333133313113313133112111133133311312112   <<    C11111333133313232233133313331333131133131331121111331333113121123   >>      C11111333133313232233133313331333131133131331121111331333113121122   >>