Fill in the blank squares so that each row, each column and each 3-by-3 block contain all of the digits 1 thru 9.
The dotted lines indicate areas which also contain a non-repeating set of digits. Hints to solve in the these squares can be added together to produce the sums shown in the clues. where only one combination of numbers applies. In the case of joined squares, if the printed number is 11, it should be 2, 5 and 4 that go into the squares. Likewise, in the case of three joined squares, if the printed number is 10, the only combination possible is 7, 3 There are a range of different techniques required to solve killer sudoku, so good luck and happy solving Every puzzle has a single solution that can be found without guessing - logic will always help you find the solution. Solutions are at the back of the book so you can check if you are right, or if not, find where you went wrong. All of books are printed on very high quality paper, making the puzzle experience all the more enjoyable.
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