A Sudoku puzzle consists of a 9x9 grid of squares, broken up into a 3x3 grid of blocks made up of nine squares each. The goal of a puzzle is to fit the numbers 1 through 9 into each of the 81 ...

Often likened to the Rubik's Cube, garden-variety Sudoku is a logic-based puzzle that tasks you with arranging the numbers one through nine on a 9x9 grid in such a way that no number is ever ...

The rules of Sudoku require puzzlers to fill out a 9x9 grid with the numbers 1-9 so that no digit is repeated within the same column, row, or 3x3 sub-grid.

This story is part of the FT Weekend Magazine’s puzzle special issue. How to play 1. Each row, column and square within the 9x9 grid needs to contain the numbers 1-9 2. Don’t repeat any ...

The challenge is to fill in a 9X9 grid of squares where certain cells already contain digits numbering between 1 and 9.

The puzzle appears on a 9X9 grid comprising smaller 3X3 boxes each having nine squares. The solver has to enter digits 1 to 9 in each square of the 3X3 box.

The rules of Sudoku require puzzlers to fill out a 9X9 grid with the numbers 1–9 so that no digit is repeated within the same column, row, or 3X3 subgrid. The clues are the numbers that are ...