Sudoku puzzle is one of the most common variants of Sudoku. This particular variant is also irregular Sudoku due to irregular shaped boxes or regions, the within its grid. These regions in addition to the puzzle rows and columns, must be filled with a set of numbers, without repeating them. Apart from this special feature, also this puzzle in 3 different grid sizes (6 x 6, 9 x 9 and 12 x 12) can occur.
Just like in any Sudoku puzzle is the ultimate goal for each player when playing from complete the puzzle of these empty cells fill with a set of numbers to be displayed on each row and each column only once. 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 is an irregular Sudoku puzzle complete, no single number on each row, each column and each region should occur more than once.
For the puzzle 6 x 6 grid must the range between 1 and 6 not more than once in each row, column and region fill this empty box with numbers. Some may more than once all 3 x 2-sub-square displayed but never on a region (an irregular 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 (of 9 x 9 grid) and 1 to 12 (of 12 x 12 of grid).
Despite the above unique factor conclusion must always an irregular Sudoku puzzle nor used your logical skills. In fact, this particular variant of Sudoku has a more complex nature as compared to the classic 9 x 9 Sudoku. Therefore, each player should have additional requirements for the solution of the puzzle. In addition to that it would be also very helpful for every player to every corner of the puzzle to examine carefully. You must be very careful in spotting duplicates in any row, column and region.
Because of its complex nature needs everyone more patience one irregular Sudoku puzzles to solve. It is also best start Sudoku puzzle with the 6 x 6 grid, then the other try 9 grid and 12 x 12 grid which have more groups of numbers finally 9 x. The level of which depends on each puzzle from, how many are in the puzzle and the way agreed numbers and they are way is placed. The puzzle depends on successful completion however, as you use your brain and your logical abilities and how much patience you have.
Focus, logic and patience are all what, you need an irregular Sudoku puzzle that completed successfully. It is not a guessing game or a math quiz. This is something that not every Sudoku enthusiasts should miss to play get an irregular Sudoku puzzles. Expand your Sudoku experience now by playing and complete a Sudoku puzzle piece. Good luck and enjoy the challenge that goes with it.
Gary Spero is editor in Chief of Sudoku tips. He is not only a Sudoku enthusiast also self-improvement and psychology are interested in. More information and resources on the Sudoku puzzle solve puzzles you can find on his website to sign up for his free 21-day mini course Sudoku tips revealed.
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