C11111333133313232233133313331333133313332322331331121111121333133313231311111   >>    C1111133313331323223313331333133313331333232233133112111112133313331323131111   <<    C11111333133313232233133313331333133313332322331331121111121333133313231311113   >>      C11111333133313232233133313331333133313332322331331121111121333133313231311112   >>