, random fountain, 10 sources
 0, 0.294200
 1, 0.591000
 2, 0.777000
 3, 0.884000
 4, 0.940200
 5, 0.968400
 6, 0.984400
 7, 0.992600
 8, 0.996400
 9, 0.997600
10, 0.999000

  , random degree 3, 10 sources
 0, 0.200000
 1, 0.446000
 2, 0.647600
 3, 0.777400
 4, 0.864000
 5, 0.912600
 6, 0.949600
 7, 0.967000
 8, 0.978600
 9, 0.987000
10, 0.991400

  , random degree 3, 15 sources
 0, 0.126600
 1, 0.305000
 2, 0.485600
 3, 0.624600
 4, 0.723000
 5, 0.792200
 6, 0.843800
 7, 0.875000
 8, 0.902800
 9, 0.925800
10, 0.942200

  , random degree 3, 20 sources
 0, 0.091000
 1, 0.225000
 2, 0.353800
 3, 0.470000
 4, 0.563200
 5, 0.642200
 6, 0.701600
 7, 0.745000
 8, 0.788400
 9, 0.820200
10, 0.848400