8 0.5 0.5 1 1
15 0.4015625 0.789878224597971 0.40625 0.40869566772189714
9 0.2640625 0.8532540659807669 0.1609375 0.1796828029821363
14 0.29375 0.49379649795493596 0.5875 0.806157004090128