Sudoku Online Hard

Web Sudoku - Billions of Free Sudoku Puzzles to Play Online. Play Sudoku online from easy to evil. Web Sudoku also supplies Sudoku puzzles for newspapers, magazines, Sudoku books and websites. Play Sudoku - the number placing game taking the world by storm. We also supply Sudoku puzzlesfor newspapers, books, magazines, websites and more. Play SUDOKU online for free. Easy, medium, or hard puzzles, play them online or print them. Get started right away, on the nicest Sudoku site on the web!

24/7 Sudoku's Expert Sudoku is going to requre much more advanced technique to solve than in previous puzzles on the site. This advanced logic is only for the most seasoned sudoku players who enjoy long, extremely advanced games which employ a lot of outside the box sudoku thinking. Expert Sudoku puzzle games are still played and won the same way as all other Sudoku boards. Place a digit one through nine into the 3x3 box, column, and row only once. Complete all the numbers to win sudoku.

Expert Sudoku absolutely requires notes, so be sure to know that the pencil button in the right corner both enables and disables notes when needed. Advanced techniques of solving are also necessary when playing this extreme sudoku puzzle. One technique is called X-Wing. This sudoku technique is used when a number can only be entered into a row in the exact two places as one other row. Thus, that such number can only be placed into the upper right slot/bottom left spot, or the upper left slot/bottom right slot. With that discovered, that particular number can be removed from any other place in those columns on the sudoku board! Although this is only one technique to help you along your Expert Sudoku game journey, it will surely come in handy in leading you to victory! Enjoy finding other techniques to win at the ultimate puzzle game 24/7 Sudoku has to offer!

Sudoku online printable hard
  • Advanced techniques and notes are required in Expert Sudoku.
  • Try to employ the Sudoku technique of X-Wing, a way to elimate certain numbers from columns.
  • Many techniques will go into a victory for Expert Sudoku, so be sure to explore them all!

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Choose one of the hard sudoku puzzles below:

Book 1 Book 2 Book 3 Book 4 Book 5 Book 6
Book 7 Book 8 Book 9 Book 10 Book 11 Book 12
Book 13 Book 14 Book 15 Book 16 Book 17 Book 18
Book 19 Book 20 Book 21 Book 22 Book 23 Book 24
Book 25 Book 26 Book 27 Book 28 Book 29 Book 30
Book 31 Book 32 Book 33 Book 34 Book 35 Book 36
Book 37 Book 38 Book 39 Book 40 Book 41 Book 42
Book 43 Book 44 Book 45 Book 46 Book 47 Book 48
Book 49 Book 50 Book 51 Book 52 Book 53 Book 54
Book 55 Book 56 Book 57 Book 58 Book 59 Book 60
Book 61 Book 62 Book 63 Book 64 Book 65 Book 66
Book 67 Book 68 Book 69 Book 70 Book 71 Book 72
Book 73 Book 74 Book 75 Book 76 Book 77 Book 78
Book 79 Book 80 Book 81 Book 82 Book 83 Book 84
Book 85 Book 86 Book 87 Book 88 Book 89 Book 90
Book 91 Book 92 Book 93 Book 94 Book 95 Book 96
Book 97 Book 98 Book 99 Book 100

Printable hard sudoku with candidate:

Book 1 Book 2 Book 3 Book 4 Book 5 Book 6
Book 7 Book 8 Book 9 Book 10 Book 11 Book 12
Book 13 Book 14 Book 15 Book 16 Book 17 Book 18
Book 19 Book 20 Book 21 Book 22 Book 23 Book 24
Book 25 Book 26 Book 27 Book 28 Book 29 Book 30
Book 31 Book 32 Book 33 Book 34 Book 35 Book 36
Book 37 Book 38 Book 39 Book 40 Book 41 Book 42
Book 43 Book 44 Book 45 Book 46 Book 47 Book 48
Book 49 Book 50 Book 51 Book 52 Book 53 Book 54
Book 55 Book 56 Book 57 Book 58 Book 59 Book 60
Book 61 Book 62 Book 63 Book 64 Book 65 Book 66
Book 67 Book 68 Book 69 Book 70 Book 71 Book 72
Book 73 Book 74 Book 75 Book 76 Book 77 Book 78
Book 79 Book 80 Book 81 Book 82 Book 83 Book 84
Book 85 Book 86 Book 87 Book 88 Book 89 Book 90
Book 91 Book 92 Book 93 Book 94 Book 95 Book 96
Book 97 Book 98 Book 99 Book 100

Hard sudoku puzzles.Need some advanced sudoku strategies,Such as wings,Subsets.

[ Play online hard sudoku on web ].

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