Lucky 13?

NHL to increase urgency
Sportsnet.ca -- Following Tuesday's meeting in New York, the NHL vowed the negotiation process with the union would get more aggressive.
Sportsnet has learned the league has isolated 13 dates over the next 3 weeks in an effort to bring the two sides to an agreement.NHLPA Executive Director, Bob Goodnow made a brief stop at NHL headquarters in Manhattan on Thursday, but sources say little of substance was discussed.No meeting dates have been confirmed, but the union has promised to get back to the NHL soon with its preferred schedule.

Referenced from www.sportsnet.ca