double a[5][3];
	double b[5][3];
	double c[5][3];

	a[0][0] = 0.0; a[0][1] = 1.0; a[0][2] = 2.0;
	a[1][0] = 3.0; a[1][1] = 4.0; a[1][2] = 5.0;
	a[2][0] = 6.0; a[2][1] = 7.0; a[2][2] = 8.0;
	a[3][0] = 9.0; a[3][1] =10.0; a[3][2] =11.0;
	a[4][0] =12.0; a[4][1] =13.0; a[4][2] =14.0;
	b[0][0] =15.0; b[0][1] =16.0; b[0][2] =17.0;
	b[1][0] =18.0; b[1][1] =19.0; b[1][2] =20.0;
	b[2][0] =21.0; b[2][1] =22.0; b[2][2] =23.0;
	b[3][0] =24.0; b[3][1] =25.0; b[3][2] =26.0;
	b[4][0] =27.0; b[4][1] =28.0; b[4][2] =29.0;