The first thing you do is mark off all of those cells that are part of an X’d out row, column, or box by coloring them white on your grid.

So what are the Techniques for the swordfish puzzle? Image Source: Swordfish sudoku techniques In general, there will be between 5 & 7 arms in any given swordfish sudoku puzzle. The Sashimi swordfish sudoku adds a new twist by including additional numbers that can’t appear in every row, column or box instead, these numbers are limited to certain arms of the puzzle.Īdditionally, some arms contain not just one cell with a hidden number instead they might contain two cells or even three. If you’re familiar with sudoku puzzles, then you probably already know that all numbers from 1-to- to 9 must be included in each row, column, and 3-by-3 box. The sashimi swordfish sudoku puzzle is very unique because of its format. The name of each cell in a sashimi swordfish sudoku puzzle consists of two parts: the digit itself, such as 0, and a number representing which of that digit’s possible positions within its row, column, or 3×3 region will be used to fill in that cell. Sashimi swordfish sudokuĪ sashimi swordfish sudoku puzzle is a sudoku puzzle Technique that uses both standard sudoku digits 1 through 9 and sashimi swordfish digits 0 through 8. They may have to get rid of one or both of the three highlighted in green at some point. If column 7, row 2, has a 3, the upper-right box can’t have any 3s in it. Only columns 2, 5, and 8 have the candidate’s name in them.Ī swordfish pattern is correct if Columns 2 & 5 are both empty, so can the threes in Columns 2 and 8 be taken out? Only columns 2, 5, and 8 have the candidate’s name in them.

Example Image Source: Here is an example that will help you better understand what we are saying.

This mechanism is based on the premise that if one of the Swordfish’s fins is false, the Swordfish as a whole is false. three columns with candidates in every row except one, and vice versa. Six-Step is to Highlight the Grid which will solve first.Ī Finned Swordfish pattern contains a swordfish in every cell except one, i.e.The fifth step is to find the two end Squares.The fourth step is to find the two middle squares of the swordfish.

The third step is to find the two Left squares of the swordfish.

The second step is to find the two Right squares of the swordfish.

The first step is to find the two corners of the swordfish.

The patterns are made up of six steps and can be used to solve any Sudoku puzzle. The Sudoku Swordfish pattern is made up of six basic moves: It’s a fairly simple pattern, and once you get the hang of it, you can solve any Sudoku puzzle in just a few steps. The Sudoku Swordfish pattern is a sequence of moves that can be used to solve any Sudoku puzzle. It can be placed in any of the squares in the grid, and it will indicate the two numbers that are adjacent to it on the grid (either horizontally or vertically). In short, we say that the swordfish is a special symbol that can be used to help solve the puzzle. The numbers in the Swordfish Sudoku grid can be placed in any order. In addition, the numbers in each 3×3 grid must be placed one per diagonal. The numbers in each 9×9 grid must be placed one per column and one per row. The grid on the left contains the numbers 1 to 9, while the grid on the right contains the letters A to F. The difference is that Swordfish Sudoku uses two Sudoku grids placed side by side. Swordfish Sudoku is a variant of the popular logic puzzle game, Sudoku.

Arrow sudoku tips