C312312111111331312111133133313331333133313232233133313331333133313231121123311   >>    C31231211111133131211113313331333133313331323223313331333133313331323112112331   <<    C312312111111331312111133133313331333133313232233133313331333133313231121123313   >>      C312312111111331312111133133313331333133313232233133313331333133313231121123312   >>