Thursday, September 22, 2022

Puzzlerium Tour: LITS (Affinity)

  




Edit: Puzzle fixed for uniqueness 

Rules: Shade in some cells such that each outlined area contains four shaded cells that form a Tetromino. No 2×2 square can be shaded completely. All shapes must be connected to form a single contiguous group of shaded cells. Identical figures, regardless of rotation or reflection, cannot share an edge. Given numbers tell how many tetrominoes are adjacent with the tetromino contained in the corresponding region.

About: This variant of LITS was invented by Anurag Sahay.


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6 comments:

  1. G.September 22, 2022 at 7:40 AM

    I probably misunderstood the rules, but are you sure this has a unique solution?
    https://i.imgur.com/3zjacVa.png

    ReplyDelete
    Replies
    1. Anuraag SahaySeptember 22, 2022 at 7:59 AM

      You misdrew the left-bottom - your photo has one regions where there are actually two.

      Delete
    2. G.September 22, 2022 at 8:18 AM

      Nooooo!!! Dang it, I should really go to bed instead of solving hard puzzles...Will try again tomorrow.
      Thanks so much!

      Delete
  2. G.September 22, 2022 at 8:44 AM

    Yeah, I couldn't let it go, sorry :)
    I still think this is non-unique:
    https://i.imgur.com/QApytFy.png

    ReplyDelete
  3. G.September 22, 2022 at 9:21 AM

    Yay, looks unique now.
    Here's Penpa+ with answer check.
    https://tinyurl.com/2s4c4w3t

    ReplyDelete
    Replies
    1. Anuraag SahaySeptember 22, 2022 at 9:29 AM

      Thanks for pointing out and for adding it to Penpa too.

      Delete

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