C13223313311212111133133313331333131212111113331333132213331323221211231   >>    C1322331331121211113313331333133313121211111333133313221333132322121123   <<    C13223313311212111133133313331333131212111113331333132213331323221211233   >>      C13223313311212111133133313331333131212111113331333132213331323221211232   >>