value 10 2.4
diff 10 0.236056273158902
value 100 2.92
diff 100 0.0705351323433312
value 1000 3.012
diff 1000 0.0412506228144225
value 10000 3.154
diff 10000 0.00394938102367579
value 100000 3.14664
diff 100000 0.00160662026136315
value 1000000 3.143392
diff 1000000 0.000572749751038154
value 10000000 3.1423596
diff 10000000 0.000244126624541959