C11111333133313232233133313331333133313331311331333231323132231   >>    C1111133313331323223313331333133313331333131133133323132313223   <<    C11111333133313232233133313331333133313331311331333231323132233   >>      C11111333133313232233133313331333133313331311331333231323132232   >>