Illustration of solving sudoku puzzle using Brute Force, Generate and Test, and Arc consistency

There are different ways of solving Sudoku puzzles. Brute force, Generate and Test both perform pretty well for easy puzzles but Arc Consistency beats them all in speed and solving very complex puzzles with less CPU.  Peter Norvig has a robust solution that solve any puzzle .

Brute force, Generate and Test are easy to implement. but what about using Arc Consistency. For adventure I attempted to try out using arc consistency to solve sudoku puzzles. I did manage to implement the concept though my implementation is not as fast as Norvig’s.

UTL Uganda Telecom KwikTok Makes Internet More affordable

UTL has an amazing product called KwikTok where you key in a ussd *250# and you get 100mb data, 20 free SMS and 10 minutes of talk. I have been a disgruntled UTL customer since 2003 but nothing has never made me proud of being a UTL customer like KwikTok.

So why am I happy about KwikTok? Well the 100MB of data isn’t a joke. 100MB!!!! for only 250 shillings. If you calculate that for 31 days, that is if you spend 100MB per day that totals to 7750 Shillings. That means you buying 3.1GB for just 7,750 Shillings. Hmmmm Yeaaaaaa. Now that’s sweet. 100MB is enough for you to stay online the whole day and make a couple of skype audio calls. If your to compare it with the major player Orange that am subscribed to for 3G internet 3GB would cost you 85,000 Shillings.

You should be just too crazy to underlook the UTL free internet. This means if your like me and have an old product like Orange 3G internet. You move UTL to higher priority and use Orange Internet when UTL connection is off or extremely slow. That makes you reserve your orange data when you extremely need blazing speed. Not that the UTL internet connection is slow. You can do pretty alot with the UTL connection. Pages load pretty fast and if your crazy like me who is running a proxy on all my machines and my N900 phone then that means better performance. Skype calls using my phone-n900 and laptop are both clear.

Every good thing has some annoying bit. KwikTok data doesn’t go without a negative spot. One thing that pisses me off is when your connected through the phone or your working from the phone and the 100MB is exceeded you don’t get any warning and it automatically switches to using the normal profile of your airtime which is maddly expensive. Coz my phone squashes 4000 in just less than 10minutes when active. You should be aware of this.