Risky job of work, do not say anything, really risky! Search mines in the blind, it is obviously you do not kindergarten, play in the sandbox and build castles. Search mines is a serious matter. After all, who knows him, and suddenly you are the first steps will be taken immediately to the mine, and then what? - The End! After this first step - it is the most important. and then, caution is not careful - it's useless. Next comes the logic and ordinary mathematics. The only way you can save the whole field of mines and learn where it was installed which mine. Well, are you ready? Then proceed!