C13223313311212111133133313331333131212111113331333133313222322211   >>    C1322331331121211113313331333133313121211111333133313331322232221   <<    C13223313311212111133133313331333131212111113331333133313222322213   >>      C13223313311212111133133313331333131212111113331333133313222322212   >>