8 0.5 0.5 1 1
21 0.38152205327194827 0.9433015217915266 0.24453786167271757 0.11339695641694689
15 0.6803044045645426 0.8665037110316494 0.3639775642579062 0.2669925779367014
15 0.8574239559708676 0.6655838833470493 0.25370059193823524 0.452435857192922