C312312111111331312111133133313331331121111331322331311332322211   >>    C31231211111133131211113313331333133112111133132233131133232221   <<    C312312111111331312111133133313331331121111331322331311332322213   >>      C312312111111331312111133133313331331121111331322331311332322212   >>