How to Solve Sudoku: A Step-by-step GuideSterling Publishing Company, Inc., 2005 - 116 pagina's Sudoku’s spreading faster than you can count to nine. But these seriously addictive, completely captivating puzzles can get fans a little gridlocked from time to time. They’ll be able to get back in the game with the help of mathematician and bestselling author Robin Wilson--himself a sudoku aficionado. He’s got the solution to unraveling these conundrums, with 52 tried and tested tips and tactics. How to Solve Sudoku takes you through them, one by one, with plenty of examples and practice grids so that you can hone your skills before you move on to the next fiendish brainteaser. |
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What is sudoku? | 2 |
What makes a good puzzle? | 4 |
Why sudoku? | 6 |
Sudoku hits the world | 8 |
The basics | 11 |
Getting started | 12 |
The basic language | 14 |
1 | 17 |
Time to recover | 69 |
Practice puzzles EH | 70 |
Solutions to puzzles EH | 74 |
Solving even harder puzzles | 76 |
Twins and triplets | 78 |
1 | 80 |
2 | 82 |
3 | 84 |
3 | 21 |
Scanning the columns | 22 |
The completed grid | 24 |
Looking back | 25 |
1 | 27 |
2 | 29 |
Threeinaline | 30 |
2 | 34 |
The completed grid | 40 |
Solutions to puzzles | 46 |
2 | 52 |
The completed grid | 58 |
32 | 64 |
4 | 86 |
The completed grid | 88 |
Recovering | 89 |
Practice puzzles IL | 90 |
Solutions to puzzles IL | 94 |
What if I get stuck? | 96 |
Last words | 99 |
Latin squares | 100 |
Computers and sudoku | 102 |
Variations on sudoku | 104 |
Find out more | 108 |
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9 in cell 9 must appear 9 with 9 abcdefghi A 9 abcdefghi A 9534 already in column appear in row appear just once box 9 cell Ae cell Ch cell Dd cell Ei cell Ff cell Gb check your solution column d column g columns and boxes complete column complete the puzzle completed grid completed sudoku grid filled-in cells Filling in single final puzzle grid looks grid now looks harder puzzle Here's Latin squares little numbers Look at rows missing from column missing from row Nikoli number appears number now missing number of possible numbers missing possibility for cell Practice puzzles A-D put 9 Puzzle F Puzzle G puzzles E-H puzzles I-L Robin Wilson row G row H rows and columns Scanning the columns Scanning the rows single cells smaller numbers Solutions to puzzles solve sudoku puzzles sudoku patterns twins and triplets Variations on sudoku Wayne Gould