public static void Shuffle<T>(Random random, T[,] array)
{
int lengthRow = array.GetLength(1);
for (int i = array.Length - 1; i > 0; i--)
{
int i0 = i / lengthRow;
int i1 = i % lengthRow;
int j = random.Next(i + 1);
int j0 = j / lengthRow;
int j1 = j % lengthRow;
T temp = array[i0, i1];
array[i0, i1] = array[j0, j1];
array[j0, j1] = temp;
}
}