* Contest will be held on 23 May 2009 14:30 GMT
* Instructions will be ready on 17 May 2009 21:00 GMT
* It will last 150 minutes and there will be extra 5 minutes.
* Each extra second will cost you 0.02 points
The third Saturday of this month there will be a puzzle contest among high schools in Istanbul, and we need to be there for helping with the organization. In order to not to change the Saturday habit, we'll hold the contest at the fourth Saturday, for this month.
One can register for contest here.