C31231211111133131211113313331333133313331323132313331333133313331322333233121   >>    C3123121111113313121111331333133313331333132313231333133313331333132233323312   <<    C31231211111133131211113313331333133313331323132313331333133313331322333233123   >>      C31231211111133131211113313331333133313331323132313331333133313331322333233122   >>