Sudoku puzzle is one of the most common variants of Sudoku. This particular variant is also irregular Sudoku because of irregular shaped boxes or regions, which can be found within its grid. These regions, except for rows and columns of the puzzle must be filled them with a set of numbers without repeating. Apart from this feature of this puzzle in 3 different grid can come in sizes (6 x 6, 9 x 9 and 12 x 12).
Just like in any Sudoku puzzle is the ultimate goal for each player for playback of complete the puzzle of these empty cells fill with a set of numbers that you want to appear only once on each row and each column. However in contrast to other variants of Sudoku, there is no need for every player that same rule apply to any sub-square. Instead, the focus should be moved to the irregularly shaped boxes which we call "Regions". The rule for irregular Sudoku is thus, somewhat as follows: in completing one irregular Sudoku puzzles, should no single number on each row, each column and each region more than once found.
For the 6 x 6 grid puzzle you must this empty box with numbers fill from 1 to 6, not more than once in each row, column and region. Can some more than once all 3 x 2 sub-square but never displayed on a region (an irregularly shaped box). Same rule also applies to puzzles with 9 x 9 or 12 x 12 grid sizes in the range of numbers from 1 to 9 (for the 9 x 9 grid) and 1 to 12 (for the grid of 12 x 12).
Despite the above unique factor conclusion must always an irregular Sudoku puzzles nor used your logical skills. In fact, this particular variant of Sudoku has a more complex nature when compared to the classic 9 x 9 Sudoku. For this reason, each player should have additional requirements for the solution of the puzzle. In addition, it would be also very useful for every player carefully examine every corner of the puzzle. You must carefully in spotting duplicates in any row, column and region.
Due to the each player needs more patience to solve an irregular Sudoku puzzle their more complex. It is also best start Sudoku puzzle with the 6 x 6 grid, then 9-grid and 12 x 12 grid which have more groups of numbers try the others finally 9 x. The difficulty of which depends on each puzzle as many are agreed numbers in the puzzle and the way they are is placed. The puzzle depends on successful completion however, as you use your brain and your logical capabilities and how much you have patience.
Focus, logic and patience are all what, you need an irregular Sudoku puzzle that successfully completed. It is not a quiz or a math quiz. Something that not every Sudoku enthusiasts should miss is to play an irregular Sudoku puzzles. Expand your Sudoku experience now by playing and fill out a Sudoku puzzle sheets. Good luck and enjoy the challenge that goes with it.
Gary Spero is editor in Chief of the Sudoku tips. As a Sudoku enthusiast, he is interested in also self-improvement and psychology. For more information and resources on the Sudoku puzzle puzzle-solving, visit his Web site, sign up for his free 21-day Sudoku reveals tips mini-course to sign.
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