0 4 20 0.174018 0.00286745
1 4 20 0.343619 0.00400879
2 4 20 0.512602 0.00328266
4 4 20 0.855206 0.00367176
8 4 20 1.55002 0.00248196
16 4 20 2.99719 0.00621804