The Nine Squared puzzle, Sudoku is

For millennia, people, things that bothered pulled their heads. Puzzle, word and number puzzles - if he thought deeply involved, were venerated. The year 1970 saw the widespread love (perhaps for some love-hate) relationship with a single block with smaller blocks swivel-able square in different colors as a "magic cube". This year the head scratching, hair pulling and very addictive game of choice is a Japanese creation asSudoku.

Like the vast majority of great puzzles Sudoku seemingly benign, a simple grid of nine squares, which is eighty-one smaller squares in total) in any place with nine smaller squares (. The nine large ("mother"), the squares are typically "regions include as one of three known as the puzzle grid. The 81 small squares contains, or after completion, a figure from the numbers one and nine contain.

The rules of theThis game - the mainstream of life in Japan in 1986 jumped - appear to be relatively simple. to "win" at Sudoku you need to fill in every region, every column and row of the grid, you can leave spaces. But the difficulty begins when you take into account the rule that each of these areas, only the number (1-9), once said factor. Some of the places already mentioned data, they are referred to as "conditions", is the player's task is to fill the voidRooms, while respecting the rule Puzzle "an event" for each number in each of three directions des

It is interesting to note that the numbers are really just for the sake of convenience in use, because they have no influence on the mathematics of the game itself *. You do not have an amount, or used in a given set of models. Point of numbers the puzzle can contain shapes, colors, symbols, anything, provided that the same rule (that every once in each areathe puzzle) may be applied. Perhaps the appeal of Sudoku is that it seems so easy, not something that is difficult to fill in some points, right? But we try in this game, and all but the most experienced logistics professionals in the puzzle are in a bit more head 'over her. This does not mean that the game can not be stopped, on the contrary, and after a while Sudoku "pros" are capable of finishing a puzzle in a few minutes. But that takes work, lotsWork, study and devotion to this unique square in Japanese.

The world has certainly jumped on the train Sudoku, the popularity of the websites of generation (which often feature many free puzzles of varying difficulty) and regular Sudoku puzzles in many magazines and newspapers, even Sudoku software! With a look similar to a crossword puzzle and strategic maneuvers reminiscent of chess, it's no wonder that Sudoku is more the result of Japanand is an international obsession.

* In reality, Sudoku is a mathematical principle known as the "complexity theory", the Sudoku classified as "-complete (nondeterministic polynomial) time NP puzzle (or problem). The" NP "means that a puzzle / problem solving this classification is the most difficult problem in its own way of. This is a very complex form of mathematics, not as of yet not a permanent solution to any arithmeticSudoku.