C13223313311212111133133313331333133313232233133313331321121111331213113121   >>    C1322331331121211113313331333133313331323223313331333132112111133121311312   <<    C13223313311212111133133313331333133313232233133313331321121111331213113123   >>      C13223313311212111133133313331333133313232233133313331321121111331213113122   >>