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| back to board | Very tiring problem (+) I think, it is one of most complicated problems in the archive. Several different ideas make search fast enough, but I never might have guessed it without tests below. So, thank you, DWED!A little faint. My program ran fast, even with little optimization..But wrong answer on 7.. up till now, i haven't found any bugs from it..
 Could you leave some hints for me?:( thanx.
Re: A little faint. See e-mail in my profile. It is very tiresome to hold such conversation in English. | 
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