4 0.5341796875 0.560546875 0.5888671875 0.8740234375
4 0.1728515625 0.37890625 0.3212890625 0.7578125
4 0.806640625 0.240234375 0.3818359375 0.48046875
4 0.55078125 0.130859375 0.345703125 0.26171875