2 0.2734375 0.64453125 0.32421875 0.7109375
2 0.5556640625 0.66015625 0.330078125 0.6796875
2 0.7548828125 0.5546875 0.388671875 0.798828125
2 0.4853515625 0.2080078125 0.458984375 0.3125