C312312111111331312111133133313331331121111331323221211113322331   >>    C31231211111133131211113313331333133112111133132322121111332233   <<    C312312111111331312111133133313331331121111331323221211113322333   >>      C312312111111331312111133133313331331121111331323221211113322332   >>