C11111333133313232233133313331333133313331233132313231323331322111   >>    C1111133313331323223313331333133313331333123313231323132333132211   <<    C11111333133313232233133313331333133313331233132313231323331322113   >>      C11111333133313232233133313331333133313331233132313231323331322112   >>