C13223313311212111133133313331323133313233313121111331333121311121   >>    C1322331331121211113313331333132313331323331312111133133312131112   <<    C13223313311212111133133313331323133313233313121111331333121311123   >>      C13223313311212111133133313331323133313233313121111331333121311122   >>