Did you know that SUDOKU is a mental math game that, according to experts in the field of health, provides great benefits for the generation of new neurons? The Killer Sudoku has 9 9x9 grids. It has no initial numbers placed. It has groups of squares with dotted blocks. Each of these groups has a small black number that indicates the total sum of the cells in the group. Each 3x3 row and column...
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