C13223313311212111133133313331333131212111113331333132312323221231   >>    C1322331331121211113313331333133313121211111333133313231232322123   <<    C13223313311212111133133313331333131212111113331333132312323221233   >>      C13223313311212111133133313331333131212111113331333132312323221232   >>