7 0.4483173076923077 0.4050480769230769 0.21634615384615385 0.34134615384615385
15 0.5 0.6490384615384616 0.07692307692307693 0.23557692307692307
12 0.36538461538461536 0.5925480769230769 0.057692307692307696 0.11538461538461539