1 0.815625 0.80078125 0.18671875 0.1515625
2 0.72109375 0.753125 0.0734375 0.08359375
0 0.3609375 0.58984375 0.0328125 0.05390625
0 0.515625 0.3859375 0.040625 0.05390625