unsigned transpose( unsigned m, int size ) __override
{
    unsigned res = 0;

    for ( int y = 0; y < size; ++y )
    {
        for ( int x = 0; x < size; ++x )
        {
            int src = y * size + x;
            int dst = x * size + y;

            if ( m & ( 1u << src ) )
                res |= 1u << dst;
        }
    }

    return res;
}