C11111333133313232233133313331333133313331322133313331311312131   >>    C1111133313331323223313331333133313331333132213331333131131213   <<    C11111333133313232233133313331333133313331322133313331311312133   >>      C11111333133313232233133313331333133313331322133313331311312132   >>