|   n  |       time  |       k1  |       k12  |       error  |    
|   10  |       9.2000e−05  |       3  |       0  |       3.7904e−20  |    
|   30  |       1.9140e−04  |       3  |       0  |       6.5706e−16  |    
|   50  |       4.5270e−04  |       3  |       0  |       9.2889e−13  |    
|   70  |       4.9270e−04  |       3  |       0  |       7.1152e−13  |