![]() ![]() ![]() On the internet you can find more comprehensive tables showing every possible combination up to 9 squares long, but often this shortened version of the cheat sheet is more useful and easier to work with. Remembering common unique combinations is essential if you want to improve your time for solving killer sudoku puzzles. Take the first column of the Killer Sudoku shown in Figure 1. This will help you to quickly note all possibilities for any given cage when solving a Killer Sudoku puzzle. Therefore, the total of all numbers in one row, column or block will always be 45. Below are all possible combinations of numbers that can be placed in a Killer Sudoku cage, given the cage size and the cage total. This uses the fact that every row, column and block must contain each of the numbers 1 to 9 once. The clue 12 in four squares is given as " 1 to 6", which means it definitely contains a 1 but no numbers above 6, whereas clue 18 in four squares is just given as "any" - more clues are needed! An essential Killer Sudoku solving technique is the '45 rule'. Just make your selections and hit the Show Results button. The tables below list the possibilities for all lengths of clues, with the bold entries showing the unique solutions for that clue.Īs well as being useful for solving Kakuro puzzles, exactly the same principles also apply to Killer Sudoku puzzles too, so the same combinations can also be used there.įor example, the clue 7 in three squares is given as 1.2.4 which means that's the only solution (the "no repeats" rule forbids others like 2.2.3 and 1.3.3). Killer Configuration Tables Nobody really likes to memorize which digits add up to what sum, but when you play Kakuro or Killer Sudoku, the only way to gain insight in remaining candidates is to do just these calculations. To solve a Killer Sudoku puzzle, players must use clue numbers and a set of basic rules which are. Combining elements of Sudoku and Kakuro, it is a written number game that is played on a 9 x 9 grid, with the simple objective of filling all of the puzzle’s cells with the numbers 1 to 9. As we have seen, in Kakuro puzzles there are some clues with only one solution (like the 3 can only be made by 1 and 2), and others with a large number of possibilities. Kakuro and Killer Sudoku Cheat Sheet5 15 54 1312346 16 514 23 12347. Killer Sudoku is an extremely addictive logic puzzle. ![]()
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