C13223313311212111133133313331333133313233212121111331313312111   >>    C1322331331121211113313331333133313331323321212111133131331211   <<    C13223313311212111133133313331333133313233212121111331313312113   >>      C13223313311212111133133313331333133313233212121111331313312112   >>