C13223313311212111133133313331333131212111113331333132211313233231   >>    C1322331331121211113313331333133313121211111333133313221131323323   <<    C13223313311212111133133313331333131212111113331333132211313233233   >>      C13223313311212111133133313331333131212111113331333132211313233232   >>