Sudokus

It´s a hobby that began in Japan in 1986 and the rest of the world in 2005, it is a numbers puzzles named suduko.

The objetive of sudoku is to fill the grids with a written number. And the objetive The idea is to fill the empty boxes so that the numbers 1 to 9 appear in each horizontal line, vertical and within each of the nine blocks that form the grid.

in my free time I like doing Sudoku because it exercises the mind, stimulates the logic, memory and reasoning, and I can practice my concentration and have fun.

you don`t have to use numbers, but can also used letters, forms or colors without changing in the rules, but always is known with numbers. Although the grid most common is the 9 × 9 with regions 3 × 3 also use other sizes.

Every one of the lines in SuDoKu is made up of 9 cells where you put the series of numbers 1 to 9 in the order they think correct, but not repeating and, obviously,not leaving any to put. the game a bit more complicated with the boxes 3x3. All of them must contain in his interior the numbers. This is an example of SuDoKu resolved andunsolved: