C13223313311212111133133313331323133313233313121111331333121311111   >>    C1322331331121211113313331333132313331323331312111133133312131111   <<    C13223313311212111133133313331323133313233313121111331333121311113   >>      C13223313311212111133133313331323133313233313121111331333121311112   >>