SUDOKU ALGORITHM
- Find Empty Space on Board
- Test Range(1,9) on Position to see if it is valid a - Check Horizontal field except empty Position that each number in Range does not Exist b - Check Vertical field except empty Position that each number in Range does not Exist c - Check Smaller 3 by 3 Grid to see if Number does not exist. If any of the condition is met, The Number is not a valid Number