public ActionResult CreateMatrix(MatrixSize matrixSize)
 {
     if (matrixSize == null || matrixSize.Range <= 0 || matrixSize.Range > 26)
     {
         return(BadRequest("Invalid matrix size. Required size: 0 < matrixSize <= 26"));
     }
     if (_gameLifetimeService.GetGameState() == GameState.Finished)
     {
         _gameLifetimeService.ClearGame();
     }
     _creationService.CreateMatrix(matrixSize.Range);
     return(Ok());
 }