The Best 25 Sudoku's in History

Sudoku has been constituted as one of the hobbies of greatest boom worldwide, consists of a grid of 9 x 9 divided into 9 sub-grids, the idea is that in each sub-grid the numbers from 1 to 9 are placed so that each number do not match row or column with the same number of another sub-grid. To solve a Sudoku, you only need concentration, eraser and a pencil. It is an economical and educational pastime since it allows to develop the organizational and abstraction capacities, as well as it contributes to improve the memory, concentration and imagination. I hope that this compilation is to your liking and allows you to have many hours of entertainment.