• X-Wing Logic


    Envoyée le samedi 12 avril 2008 15:59:40
    par tenacross
    Vue 1879 fois
    Note 5.0 sur 4 vote(s)

    I attempt using X-Wing logic to solve a sudoku

    Commentaire(s)
  • tenacross

    So you can eliminate the 3's anywhere else in those 2 columns, hopefully allowing you to proceed with the puzzle. I hope that makes sense, I tried to illustrate this visually using my fingers in the video.
    jeudi 14 août 2008 18:01:04
  • tenacross

    No, it doesn't matter how many possible numbers there are for the square as long as you find a row where the 3 (for example) can only go in one of 2 columns and then find another row where the 3 can only go in one of the same 2 columns. So no matter what the 3's in those 2 columns have to go in those 2 rows.
    jeudi 14 août 2008 17:58:55
  • Donlass2

    I think I found a problem with the logic...or... the way you used it. With this technique you have two available spaces in two rows or columns which the 2 can go so you actually need two numbers that can go there and only two...no more. The only way in which the technique would ever work is if you had the two same numbers that go in the x wing fashion. you used one. There was a possiblity that two other numbers(including the 2) could've gone in one of those positions.
    mardi 12 août 2008 13:55:59
  • katieMCbindergarten

    oh- but it's already up :D check it! ha... it's not much :P
    mercredi 23 avril 2008 23:05:41
  • tenacross

    Looking forward to watching it
    mercredi 23 avril 2008 19:33:11
  • katieMCbindergarten

    i'm just finishing up a silly little sudoku video :P
    lundi 21 avril 2008 21:38:15
  • tenacross

    I've been beat by a few of the "Beware! Very Challenging" puzzles but overall it's great fun.
    dimanche 13 avril 2008 15:54:01
  • MrSudoku

    I have a Shortz sudoku book with a puzzle I found to be unsolvable. It's incredibly frustrating.
    dimanche 13 avril 2008 13:16:09
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