ISCAS93 Addendum Sequential Benchmark Circuits

• prolog.bench
• s344.bench
• s499.bench
• s635.bench
• s938.bench
• s967.bench
• s991.bench
• s1196.bench
• s1269.bench
• s1512.bench
• s3271.bench
• s3330.bench
• s3384.bench
• s4863.bench
• s6669.bench