C11111333133313232233133313331333132313331323321313331311331323132323331322311   >>    C1111133313331323223313331333133313231333132332131333131133132313232333132231   <<    C11111333133313232233133313331333132313331323321313331311331323132323331322313   >>      C11111333133313232233133313331333132313331323321313331311331323132323331322312   >>