7 0.685546875 0.6484375 0.6240234375 0.6357421875
7 0.396484375 0.599609375 0.73828125 0.732421875
17 0.4990234375 0.4990234375 0.9970703125 0.998046875
4 0.8212890625 0.056640625 0.037109375 0.078125