C312312111111331312111133133313331333133313232233133313331333133313231323233111   >>    C31231211111133131211113313331333133313331323223313331333133313331323132323311   <<    C312312111111331312111133133313331333133313232233133313331333133313231323233113   >>      C312312111111331312111133133313331333133313232233133313331333133313231323233112   >>