C222133313331333131123313231333133313331311111211113313232212331311111   >>    C22213331333133313112331323133313331333131111121111331323221233131111   <<    C222133313331333131123313231333133313331311111211113313232212331311113   >>      C222133313331333131123313231333133313331311111211113313232212331311112   >>