Solve the problem

A Sudoku puzzle uses a 9 9 grid in which each column and row, as well as each of the nine 3 x 3 sub-grids, must contain all the digits 1 . . .9. The following figure presents an example of a valid Sudoku puzzle. 3 1 5 82 7 9 46 4 6 89 1 5 7 32 7 2 93 4 65 1 8 94 65 3 8127 511619|2|418|3 8 3 2 17 4 6 9 5 6 9 3 2 5 1 87 4 2514|8|9|3|6|1 1 8 47 6 3 2 5 9 This project consists of designing a multithreaded application that determines whether the solution to a Sudoku puzzle is valid. There are several different ways of multithreading this application. One suggested strategy is to create