7 0.3112980769230769 0.5793269230769231 0.13581730769230768 0.12620192307692307
8 0.23557692307692307 0.5829326923076923 0.055288461538461536 0.14302884615384615
15 0.1935096153846154 0.5865384615384616 0.08533653846153846 0.030048076923076924