C11111333133313232233133313331333133313221333133313232211322331   >>    C1111133313331323223313331333133313331322133313331323221132233   <<    C11111333133313232233133313331333133313221333133313232211322333   >>      C11111333133313232233133313331333133313221333133313232211322332   >>