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  2. Tatamibari - Wikipedia

    en.wikipedia.org/wiki/Tatamibari

    A Tatamibari puzzle is played on a rectangular grid with three different kinds of symbols in it: +, -. and |. The solver must partition the grid into rectangular or square regions according to the following rules: [1] Every partition must contain exactly one symbol in it. A + symbol must be contained in a square.

  3. Nurikabe (puzzle) - Wikipedia

    en.wikipedia.org/wiki/Nurikabe_(puzzle)

    The binary determination puzzle Atsumari is similar to Nurikabe but based upon a hexagonal tiling rather than a square tiling. Mochikoro is a variant of the Nurikabe puzzle: Each numbered cell belongs to a white area, the number indicates how many cells belong to the white area. Some white areas may not include a numbered cell.

  4. Bag (puzzle) - Wikipedia

    en.wikipedia.org/wiki/Bag_(puzzle)

    The easiest starting place is to find a "maximum cell"; that is, a numbered cell which if the walls are not at the maximum distance possible, the number is not satisfied. For example, in a 10x10 grid which has not started to be solved, a 19-cell is a maximum cell, since if the four walls are not at the edges of the grid, the number of cells ...

  5. Mathematical puzzle - Wikipedia

    en.wikipedia.org/wiki/Mathematical_puzzle

    Mathematical puzzles require mathematics to solve them. Logic puzzles are a common type of mathematical puzzle. Conway's Game of Life and fractals, as two examples, may also be considered mathematical puzzles even though the solver interacts with them only at the beginning by providing a set of initial conditions. After these conditions are set ...

  6. Logic puzzle - Wikipedia

    en.wikipedia.org/wiki/Logic_puzzle

    The logic puzzle was first produced by Charles Lutwidge Dodgson, who is better known under his pen name Lewis Carroll, the author of Alice's Adventures in Wonderland.In his book The Game of Logic he introduced a game to solve problems such as confirming the conclusion "Some greyhounds are not fat" from the statements "No fat creatures run well" and "Some greyhounds run well". [1]

  7. These 3D Brain Teaser Puzzles Require Logic and ... - AOL

    www.aol.com/lifestyle/3d-brain-teaser-puzzles...

    The best 3D brain teaser puzzles require logic and spatial awareness to make an exciting game of skill. ... easy to learn, super stimulating, and it makes me feel like a genius when I solve it ...

  8. Disentanglement puzzle - Wikipedia

    en.wikipedia.org/wiki/Disentanglement_puzzle

    Most puzzle solvers try to solve such puzzles by mechanical manipulation, but some branches of mathematics can be used to create a model of disentanglement puzzles. Applying a configuration space with a topological framework is an analytical method to gain insight into the properties and solution of some disentanglement puzzles.

  9. Cross-figure - Wikipedia

    en.wikipedia.org/wiki/Cross-figure

    Example grid for a cross-figure puzzle with some answers filled in. A cross-figure (also variously called cross number puzzle or figure logic) is a puzzle similar to a crossword in structure, but with entries that consist of numbers rather than words, where individual digits are entered in the blank cells.