0 0.4921875 0.5 0.984375 1
8 0.31171875 0.39921875 0.6234375 0.7984375
21 0.31517934618769156 0.35920352094641705 0.20732512499835237 0.25601689212119305
9 0.07452489285855513 0.5386112914918488 0.14904978571711025 0.27590241701630236
9 0.05653855194916464 0.4119070815338051 0.11307710389832928 0.1918108369323898