US24-Create class Sudoku game

Adding functions for:
Revert "US24-Create class Sudoku game"

This reverts commit d8027d366ce75633b90a32376e19b1cf206d25b9.
Revert "Revert "US24-Create class Sudoku game""

This reverts commit 8c3f97d760aba6ed45cf53a5c13a23546d9dfdb6.