C11111333133313232233133313331333132313331323321313331312111133323311   >>    C1111133313331323223313331333133313231333132332131333131211113332331   <<    C11111333133313232233133313331333132313331323321313331312111133323313   >>      C11111333133313232233133313331333132313331323321313331312111133323312   >>