C13223313311212111133133313331333132333133313331333132321232313221   >>    C1322331331121211113313331333133313233313331333133313232123231322   <<    C13223313311212111133133313331333132333133313331333132321232313223   >>      C13223313311212111133133313331333132333133313331333132321232313222   >>