Futoshiki Puzzles

Futoshiki is a logic-based number puzzle game that originates from Japan. The name "Futoshiki" means "inequality" in Japanese, which is a key element of this puzzle type. The goal of Futoshiki puzzles is to fill a square grid with numbers, obeying certain rules.

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How to Play Futoshiki Puzzle

Grid: The puzzle is played on a square grid, typically ranging from 4x4 to 9x9 in size.

Numbers: The objective is to fill in the grid with numbers, usually from 1 to the size of the grid (e.g., 1 to 4 in a 4x4 grid), without repeating any numbers within a row or column.

Inequality Signs: In addition to the numbers, some cells contain inequality signs (">" or "<") that indicate the relative size of the adjacent numbers. These signs must be obeyed while placing the numbers so that the inequalities are satisfied.

The rules of Futoshiki are simple: place numbers in the grid so that each row and column contains no duplicate numbers, and the inequality signs are respected. It's similar to Sudoku in that each number must appear only once in each row and column but differs due to the inequality constraints.

The difficulty of Futoshiki puzzles can vary depending on the grid's size and the number of pre-filled cells with numbers and inequality signs. Some puzzles might require advanced logical reasoning and deduction skills to solve.

Futoshiki puzzles are available in puzzle books, newspapers, and online platforms. They provide a stimulating challenge that requires logical thinking and deduction, making them a popular choice for puzzle enthusiasts looking for a twist on traditional number puzzles.