C11111333133313232233133313331333133313232233231323132313232231   >>    C1111133313331323223313331333133313331323223323132313231323223   <<    C11111333133313232233133313331333133313232233231323132313232233   >>      C11111333133313232233133313331333133313232233231323132313232232   >>