C312312111111331312111133133313231333133313112331333133112213331322331   >>    C31231211111133131211113313331323133313331311233133313311221333132233   <<    C312312111111331312111133133313231333133313112331333133112213331322333   >>      C312312111111331312111133133313231333133313112331333133112213331322332   >>