C1111233131211111211113313331333133313231323331311331313223313231121131   >>    C111123313121111121111331333133313331323132333131133131322331323112113   <<    C1111233131211111211113313331333133313231323331311331313223313231121133   >>      C1111233131211111211113313331333133313231323331311331313223313231121132   >>