Sudoku Classic

Sudoku Classic. Sudoku requires no calculation or arithmetic skills. It is essentially a game of placing numbers in squares, using very simple rules of logic and deduction. It can be played by children and adults and the rules are simple to learn. Every row of 9 numbers must include all digits 1 through 9 in any order Every column of 9 numbers must include all digits 1 through 9 in any order Every 3 by 3 subsection of the 9 by 9 square must include all digits 1 through 9