7 0.556640625 0.40625 0.458984375 0.3984375
8 0.638671875 0.63671875 0.69921875 0.7265625
10 0.3359375 0.712890625 0.671875 0.57421875
8 0.2431640625 0.8349609375 0.486328125 0.322265625