C13223313311212111133133313331333131212111113331333131211113313222321123231   >>    C1322331331121211113313331333133313121211111333133313121111331322232112323   <<    C13223313311212111133133313331333131212111113331333131211113313222321123233   >>      C13223313311212111133133313331333131212111113331333131211113313222321123232   >>