8 0.8310546875 0.791015625 0.3330078125 0.4140625
8 0.1396484375 0.4189453125 0.279296875 0.447265625
15 0.701171875 0.337890625 0.3251953125 0.5556640625
10 0.517578125 0.5908203125 0.9599609375 0.7099609375