C312312111111331312111133133313331333133313232233133313331333133313332313233111   >>    C31231211111133131211113313331333133313331323223313331333133313331333231323311   <<    C312312111111331312111133133313331333133313232233133313331333133313332313233113   >>      C312312111111331312111133133313331333133313232233133313331333133313332313233112   >>