C312312111111331312111133133313331331121111332313331333132233133313231323311   >>    C31231211111133131211113313331333133112111133231333133313223313331323132331   <<    C312312111111331312111133133313331331121111332313331333132233133313231323313   >>      C312312111111331312111133133313331331121111332313331333132233133313231323312   >>