C13223313311212111133133313331333133313232233133313121111331313231322311   >>    C1322331331121211113313331333133313331323223313331312111133131323132231   <<    C13223313311212111133133313331333133313232233133313121111331313231322313   >>      C13223313311212111133133313331333133313232233133313121111331313231322312   >>