C13223313311212111133133313331333133313232233133313331321121111331333133332311   >>    C1322331331121211113313331333133313331323223313331333132112111133133313333231   <<    C13223313311212111133133313331333133313232233133313331321121111331333133332313   >>      C13223313311212111133133313331333133313232233133313331321121111331333133332312   >>