0 4 20 0.171743 0.00240259 1 4 20 0.349262 0.00284545 2 4 20 0.524331 0.00411548 4 4 20 0.874328 0.00446872 8 4 20 1.57678 0.0063125 16 4 20 2.97 0.0136375
