C13223313311212111133133313331323133313233313121111133313132231   >>    C1322331331121211113313331333132313331323331312111113331313223   <<    C13223313311212111133133313331323133313233313121111133313132233   >>      C13223313311212111133133313331323133313233313121111133313132232   >>