C312312111111331312111133133313331331121111331322333132233132313131   >>    C31231211111133131211113313331333133112111133132233313223313231313   <<    C312312111111331312111133133313331331121111331322333132233132313133   >>      C312312111111331312111133133313331331121111331322333132233132313132   >>