C13223313311212111133133313331333131212111113331333133313133211   >>    C1322331331121211113313331333133313121211111333133313331313321   <<    C13223313311212111133133313331333131212111113331333133313133213   >>      C13223313311212111133133313331333131212111113331333133313133212   >>