9 0.309375 0.5703125 0.4078125 0.35546875
12 0.38984375 0.49921875 0.26796875 0.25625
9 0.7109375 0.3703125 0.33203125 0.31796875
12 0.8125 0.3515625 0.3515625 0.41875