Recently, I was at a local store looking for a book just to occupy myself during my work breaks. At this store, I saw this puzzle book on Sudoku. Although I heard of this game and even tried playing it. It is so confusing.
What is Sudoku? It is a very confusing game that consists of 9x9 grid that are divided into columns and rows. Basically it is a logic number game. Anyway, the goal of the game is to make sure that the 9x9 grid have the digits ranging from one to nine. These digits are to make an appearance once in each column and row.
There are several strategic procedures in solving this puzzle. Two of these strategies in figuring out Sudoku are scanning and analyzing. This puzzle is very comprehensive!
The first strategic point of the puzzle is scanning. This takes place at the outset and completely at the solution. In between these analyses, the scanning procedure should be conducted one time. In addition, these scans have two types of techniques: cross-hatching and counting.
Cross-hatching is rows that are scanned to find out which region includes a certain number that may be eligible for the elimination process. This procedure is also used for the columns.
On the other hand, counting consists of the regions, rows, and columns one through nine. The purpose of this strategic procedure is to figure out which numbers are missing.
It seemed that the more that I tried to figured out this puzzle, the more confusing it became. Although it is just a puzzle—I know puzzles are not meant to be easy; otherwise it would not earn its name and the complexity would not be as exciting.
Since Sudoku is a brain-cracking experience—at least for me, it also comes with the analysis strategy. The two main steps in the analysis procedure are the candidate elimination and what-if methods.
In dealing with the candidate elimination, the numeral candidate is completely removed with success. This allows the given cell to take this cell. The method can also be performed by looking for the blocks that all the permitted cells for a numeral candidate are based in a row or column that is single.
The what-if strategy contains two numeral candidates that are placed in a cell. In this case, these numbers are chosen and the guessing game begins. I am still very lost with this game.
Forget about trying to figure out Sudoku business. I am going to find out more about this puzzle game. Once I get the hang of this very brain-breaking game, I will become a pro!
Source:
http://en.wikipedia.org/wiki/Sudoku
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