C312312111133131212111133133313231333133313331331121111121111331323221322331   >>    C31231211113313121211113313331323133313331333133112111112111133132322132233   <<    C312312111133131212111133133313231333133313331331121111121111331323221322333   >>      C312312111133131212111133133313231333133313331331121111121111331323221322332   >>