C13223313311212111133133313331323133313233313121111331313211111   >>    C1322331331121211113313331333132313331323331312111133131321111   <<    C13223313311212111133133313331323133313233313121111331313211113   >>      C13223313311212111133133313331323133313233313121111331313211112   >>