17 0.2060546875 0.646484375 0.40625 0.302734375
15 0.9462890625 0.7578125 0.107421875 0.421875
15 0.931640625 0.3935546875 0.13671875 0.216796875
14 0.658203125 0.75390625 0.337890625 0.31640625