C11111333133313232233133313331333133313331312111133133323123231   >>    C1111133313331323223313331333133313331333131211113313332312323   <<    C11111333133313232233133313331333133313331312111133133323123233   >>      C11111333133313232233133313331333133313331312111133133323123232   >>