I’m working on becoming familiar with wings, chains, uniques, and all the sea animals and skyscrapers. Whatcha see here?

  • metiulekmEnglish
    2·
    10 months ago
    spoiler

    379 in the upper right box cannot be a 7 or a 9, due to this chain:

    • TimewornTraveler@lemm.eeOPEnglish
      2·
      10 months ago

      Nice! Isn’t that also an XY-wing?

      spoiler

      I think we could prove that C9 is 3 by just looking at C3 and H9, right?

      edit: named wrong cells

      • metiulekmEnglish
        1·
        10 months ago

        Huh, I have been looking at the grid for like 10 minutes after seeing your message (with the edit) and can’t see it at all. Could you explain some more? :)

        • TimewornTraveler@lemm.eeOPEnglish
          2·
          10 months ago

          it’s okay, I think I’m wrong. you have to use remote pairs to solve it

          There’s also a unique rectangle, too!

    • BuddahrifficEnglish
      2·
      10 months ago

      I noticed the same thing if you place

      spoiler

      7 in the lower right square if the top left group, makes it impossible to place a 7 in the bottom middle group.