3. (10 Points) Find a rearrangement of the following system that guarantees both te Jacobi iteration and the Gauss-Seidel iteration of this system will converge to the unique solution of the system for any r 21-222+3x3 - 10x4 = 40. (0); - 10x12x2+3x3 + 4x4 = 10, 1 10x2+3x3 4x4 = 20, 21+22 1023 + 4x4 = 30.