2 0.8515625 0.6142578125 0.1953125 0.41015625
2 0.3076171875 0.4033203125 0.568359375 0.634765625
2 0.5341796875 0.5263671875 0.4296875 0.55078125
2 0.65234375 0.6435546875 0.158203125 0.32421875