C11111333133313232233133313331333133313332322331331121111121113111   >>    C1111133313331323223313331333133313331333232233133112111112111311   <<    C11111333133313232233133313331333133313332322331331121111121113113   >>      C11111333133313232233133313331333133313332322331331121111121113112   >>