Time to defeat the killer, sudoku geniuses! Same as the classic version of the number puzzle, you will be given a 9×9 grid, which is evenly divided into 9 squares. Your goal in the game is to put numbers 1 to 9 onto the blanks of the grid, such that the numbers will not be repeated in each row, each column, and each 3×3 square. In addition to that, the blanks will be separated into groups by red lines which are called cages.