7 0.5528846153846154 0.4050480769230769 0.21514423076923078 0.3425480769230769
15 0.5012019230769231 0.6490384615384616 0.078125 0.23557692307692307
12 0.6346153846153846 0.5925480769230769 0.05889423076923077 0.1141826923076923