Numerical Equals of Crossword Puzzles
Sudoku and kakuro are also known as the numeric counterpart of crosswords. Sudoku is a numeric puzzle which requires logic rather that mathematical processes. Common sudoku puzzles would be in a 9x9 grid and would have 3x3 subgrids which are also called regions. Each column, row and region contains number from 1 to 9. There are given numbers that would serve as hint to complete the entire puzzle.
Sudoku puzzle difficulty is based on the number of given numbers. The more given numbers the easier the sudoku is. Also, another factor for determining the difficulty is with the time limit (if provided) in solving the o puzzles. This became a popular game with its rise and international success in 2005.
The first published sudoku was released in New York during 1970s. It was first introduced in Japan in 1984 by Nikoli. After its initial release, on 1986 the puzzle gained much popularity. They increased the number of givens in the box and at the same popular periodicals and newspapers started publishing them in Japan. Right now, Nikoli still has the right over Sudoku and other puzzles in Japan using the same name.
Sudoku is somehow similar with magic square which first appeared in France during the 19th century. The difference is, this puzzle used arithmetic to solve or complete it, while sudoku uses logic. It was first released in 1892. The Le Siecle’s rival paper refined the magic numbers until it became the current format of the puzzle.
Kakuro, meanwhile, is called or referred to as the mathematical transliteration of crosswords. It can also be called pr referred to Cross Sums or Cross Addition. The Japanese name kakuro comes from the shortened karan kurosu which literally means addition cross. In Japan, Kakuro was the second most popular puzzle after Sudoku and Nikoli.
There is combination puzzle of sudoku and kakuro, this is called “cross sums sudoku”. The clues are given as cross sums in a standard 9x9 sudoku grid.
Sudoku rose rapidly, not only are sudoku puzzles being published, it can also be viewed and answered in different websites. There are different sudoku software which can install games on computers and mobile phones. Not only are sudoku and kakuro popular in Japan and United States, it is very much known in Asia, Great Britain, Europe and other countries.
To promote the game, live TV shows about Sudoku and live game shows were also launched. There are even songwriters contributing and writing songs about the puzzles.
Answering these kinds of puzzles is not just to torture ourselves or waste our time, these logical puzzles can expand the brain and increase a person’s logical skill. Logical puzzles have different forms and you can pick out the form which you think is most interesting. These puzzles are not only intended for adults, they are also significant for developing logic among children.
Crosswords, sudokus, kakuros and other combination puzzles, are not only fun and entertaining. These logical puzzles also contribute to our mind development.
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