C13223313311212111133133313331333132333133313331333133112121111121221   >>    C1322331331121211113313331333133313233313331333133313311212111112122   <<    C13223313311212111133133313331333132333133313331333133112121111121223   >>      C13223313311212111133133313331333132333133313331333133112121111121222   >>