My booking status for 12357 Durgiana express , Dhanbad to Amritsar,18/06/13, AC-2, was WL-1,PQWL and WL-2,PQWL. The current status is WL-1 & WL-2. PNR- 6713933570. Is there any difference between the two? What are the chances of it getting confirmed?