Data Matrix Rotating

DataMatrixRotating.cs

/// <summary>
///     Data Matrix Rotating
/// </summary>
/// <param name="number">Original Data</param>
/// <returns>Four directions of the number, the original data in the final.</returns>
public static ulong[] GetRotatedNumbers(ulong number)
{
    ulong[] ulongs = new ulong[4];
    ulongs[3] = number;
    for (int t = 0; t < 3; ++t)
    {
        ulong nu = 0;
        for (int i = 0; i < 8; ++i)
        {
            for (int j = 0; j < 8; ++j)
            {
                int len = (i * 8 + j);
                nu |= ((number & (1UL << len)) >> len) << (j * 8 + 7 - i);
            }
        }
        ulongs[t] = nu;
        number = nu;
    }
    return ulongs;
}