7 0.1658653846153846 0.5420673076923077 0.3161057692307692 0.3557692307692308
8 0.11538461538461539 0.5432692307692307 0.22235576923076922 0.35336538461538464
9 0.640625 0.5709134615384616 0.7151442307692307 0.8557692307692307