C222133313331333131123313231333133313331311111211113313231323331323221111   >>    C22213331333133313112331323133313331333131111121111331323132333132322111   <<    C222133313331333131123313231333133313331311111211113313231323331323221113   >>      C222133313331333131123313231333133313331311111211113313231323331323221112   >>