C31231211111133131211113313331333132233133313331312111133133313223323221   >>    C3123121111113313121111331333133313223313331333131211113313331322332322   <<    C31231211111133131211113313331333132233133313331312111133133313223323223   >>      C31231211111133131211113313331333132233133313331312111133133313223323222   >>