Pogo Daily Sudoku Answers (2024)

FAQs

How do you find the answers to Sudoku? ›

One of the best ways to get started with solving a Sudoku puzzle is to look for “low-hanging fruit” – the rows, columns or squares that already have the most numbers filled in. This will make it easier (most of the time) for you to figure out which numbers go in the remaining empty spaces.

There are 6,670,903,752,021,072,936,960 possible solvable Sudoku grids that yield a unique result (that's 6 sextillion, 670 quintillion, 903 quadrillion, 752 trillion, 21 billion, 72 million, 936 thousand, 960 in case you were wondering).

A well-formed Sudoku puzzle is one that has a unique solution. A Sudoku puzzle can have more than one solution, but in this case the kind of logical reasoning we described while discussing solving strategies may fall short.

The most basic strategy to solve a Sudoku puzzle is to first write down, in each empty cell, all possible entries that will not contradict the One Rule with respect to the given cells. If a cell ends up having only one possible entry, it is a "forced" entry that you should fill in.

Sudoku does not require guessing. In fact, when solving Sudoku puzzles, you're better off NOT guessing at all. Sudoku is a logic puzzle, using the power of simple deductive reasoning and process of elimination to fill in the gaps in the grid. Simply put – you don't need luck to play Sudoku.

The 45 Rule

An essential Killer Sudoku solving technique is the "45 rule". This uses the fact that every row, column and block must contain each of the numbers 1 to 9 once. Therefore, the total of all numbers in one row, column or block will always be 45.

If three candidates can be found in only the same three Cells of a region (Row, Column or Square), then one of these candidates is the solution for the first of these Cells, a second one is the solution for the second Cell and the last candidate is the solution for the third Cell.

One of the primary benefits of Sudoku is the fact that it forces the person to think two or three moves in advance, an activity that is good for the brain.

The rules for sudoku are simple. A 9×9 square must be filled in with numbers from 1-9 with no repeated numbers in each line, horizontally or vertically. To challenge you more, there are 3×3 squares marked out in the grid, and each of these squares can't have any repeat numbers either.

Can the same number be next to each other in Sudoku? ›

The game of Sudoku consists of a grid of nine rows and nine columns subdivided into nine 3x3 subgrids. It has two basic rules: Each column, each row, and each box (3x3 subgrid) must have the numbers 1 to 9. No column, row or box can have two squares with the same number.

Most Sudoku puzzles published have only one solution. If there is more than one solution, it is probably a mistake. That said, puzzles with incomplete clues can have multiple solutions. In the extreme case, a puzzle with no clues has 6,670,903,752,021,072,936,960 solutions according to Wikipedia.

Watch for the second puzzle (Crunchy 159) soon. Normal Sudoku, Lockout Lines and some 159 Rules apply. 159 Rules apply to shaded Red Cells ONLY. Each digit in column 1 indicates the position of 1 in the same row (that is, if R5C1 is a 6, R5C6 is a 1).

An algorithm combining a constraint-model-based algorithm with backtracking would have the advantage of fast solving time - of the order of a few milliseconds - and the ability to solve all sudokus.

A Swordfish is a 3 by 3 nine-cell pattern where a candidate is found on three different rows (or three columns) and they line up in the opposite direction. Eventually we will fix three candidates somewhere in those cells which excludes all other candidates in those units.