21 0.49140625 0.89921875 0.88125 0.2015625
9 0.43515625 0.86015625 0.1484375 0.2796875
9 0.73359375 0.8765625 0.2796875 0.24609375
16 0.4203125 0.4546875 0.6375 0.67578125