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Sujiko is a logic-based, combinatorial number-placement puzzle created by Jai Gomer of Kobayaashi Studios. [1]A completed Sujiko puzzle. The puzzle takes place on a 3x3 grid with four circled number clues at the centre of each quadrant which indicate the sum of the four numbers in that quadrant.
'digit-single'; originally called Number Place) [1] is a logic-based, [2] [3] combinatorial [4] number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the ...
A sample puzzle. Str8ts is a logic-based number-placement puzzle, invented by Jeff Widderich in 2008. [1] It is distinct from, but shares some properties and rules with, Sudoku. The name is derived from the poker straight. The puzzle is published in a number of newspapers internationally, [2] in two book
A simple KenKen puzzle, with answers filled in as large numbers. KenKen and KenDoku are trademarked names for a style of arithmetic and logic puzzle invented in 2004 by Japanese math teacher Tetsuya Miyamoto, [1] who intended the puzzles to be an instruction-free method of training the brain. [2]
Strimko is a logic number puzzle invented by the Grabarchuk Family in 2008. It is based on the idea of Latin squares described by the Swiss mathematician and physicist Leonhard Euler in the 18th century. All Strimko puzzles are solvable with pure logic; no special knowledge is required. Strimko uses only three basic elements: rows, columns, and ...
Takuzu, also known as Binairo, is a logic puzzle involving placement of two symbols, often 1s and 0s, on a rectangular grid. The objective is to fill the grid with 1s and 0s, where there is an equal number of 1s and 0s in each row and column and no more than two of either number adjacent to each other.
Sudoku can be solved using stochastic (random-based) algorithms. [11] [12] An example of this method is to: Randomly assign numbers to the blank cells in the grid. Calculate the number of errors. "Shuffle" the inserted numbers until the number of mistakes is reduced to zero. A solution to the puzzle is then found.
The data set of a logic grid puzzles can be any number of categories, but are limited by the corresponding increase in complexity, with most having only two, three, or even four categories. While designed more as a table-based puzzle than a matrix, the most famous example of a logic-grid puzzle may be the so-called Zebra Puzzle, which asks the ...