10 0.4990234375 0.6396484375 0.998046875 0.720703125 4 0.6025390625 0.2216796875 0.05078125 0.1640625 7 0.4736328125 0.6357421875 0.5078125 0.51171875 8 0.1884765625 0.212890625 0.373046875 0.42578125