C11111333133313232233133313331333133313331323331333131121333311   >>    C1111133313331323223313331333133313331333132333133313112133331   <<    C11111333133313232233133313331333133313331323331333131121333313   >>      C11111333133313232233133313331333133313331323331333131121333312   >>