C13223313311212111133133313331333132333133313331333133112121111331311112121   >>    C1322331331121211113313331333133313233313331333133313311212111133131111212   <<    C13223313311212111133133313331333132333133313331333133112121111331311112123   >>      C13223313311212111133133313331333132333133313331333133112121111331311112122   >>