C13223313311212111133133313331333131212111113331333133312111133212221   >>    C1322331331121211113313331333133313121211111333133313331211113321222   <<    C13223313311212111133133313331333131212111113331333133312111133212223   >>      C13223313311212111133133313331333131212111113331333133312111133212222   >>