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Title: Easy and Difficult Ways in Solving Sudoku
from:Author: Dwayne Garrett
Article:
Sudoku is an addicting number puzzle game that is played in all
parts of the world. It is a very thrilling and exciting game.
However, the Sudoku can be very difficult and tricky.
The rule for this game is to place all the numbers from 1 to 9
in each cell in the grid. The limitation is that the numbers
should not be repeated in each row, column and 3 x 3 block.
Now, how will you start solving the Sudoku? The following are
steps from easy to difficult Sudoku, which can be very helpful
to each player of the game.
* Easy Sudoku
1. You should use careful thought in solving the puzzle. Since
you already know that duplication of the numbers is not allowed
in the game, you can already use that as a hint to consider
other numbers. Remember, the more difficult the Sudoku, the
harder it is to start the puzzle.
2. In solving an easy Sudoku, you must first prioritize the
search for possibilities. These possibilities are the numbers
that are possible to be placed in the row, column or block.
Therefore, if you know what the possible numbers are, it would
be easier for you to choose which number is suitable to go there.
3. Start working from number 1 until you are already on your way
to number 9. Since you already placed in some of the numbers,
this must be your clue in searching for the other numbers.
4. If you get confused, you can always go back and be sure to
look at each number you have already filled in. This will help
you know if you have missed a number or not. Once everything is
settled, you can continue the puzzle and complete it. Now, if
you still cannot find what the problem is, start labeling each 3
x 3 box with every number that can possibly fill in the box. For
instance, there is an empty box left. Fill the box with possible
numbers and see the result.
5. It would be advisable to begin playing a Sudoku in a
newspaper or magazine. There are newspapers or magazines, which
have this puzzle in their pages. The easy puzzles are usually
out during Monday and Tuesday. While the difficult ones are
found on the following days.
* Hard Sudoku
1. Begin using the number 1. Use similar logic you used in the
easy puzzle to complete each empty row, column and block with
all the possible numbers. If necessary, put possibilities. The
possibilities will help you at the latter part if you have two
or three choices for each box but you cannot remember them.
2. Two cells in a block, row or column should be one of two
numbers, you can use those to remove other possibilities. For
instance, in a 3 x 3 block, there are four empty cells. From
your analysis, you have established that: cell A and B can be 1,
2, 3, 4; cell C and D can be 3 or 4. From this, you will know
that cell A and B can never be 3 or 4 since they already have 1
or 2. Cell C and D have to be either of 3 or 4. This information
can be very helpful in completing other boxes.
3. Know that hard Sudoku can consume more time. A hard Sudoku
can even take a few days to finish, but they can give players
more fun, enjoyment and contentment after they have completed
the puzzle. A hard Sudoku is just the same as the easy Sudoku -
both will give you less clue to begin with. The best way of
solving the hard Sudoku is when you already know the possible
numbers that can go in each box. If you have two candidate
numbers for a specific row, column and 3 x 3 blocks, decide
which of the two numbers should fill each location. This may be
very confusing, but when you have applied it, you will realize
that it is so simple and very useful.
4. Visit the internet. There are websites that provide Sudoku
puzzles - from easy to hard. Practice on some the sample puzzles
to prepare you to a more complicated Sudoku.
Follow the steps in solving the Sudoku. And find out that no
matter how difficult they may seem to be, in the end, the fun
and excitement that you will feel is incomparable.
About the author:
Dwayne Garrett is the author of several eBooks and popular
software applications, he also offers a FREE Internet Blog that
offers tips and strategies on how to solve the Sudoku Puzzle.
You can find out more by visiting:
http://www.SudokuJournal.com
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