2 0.5986328125 0.5361328125 0.794921875 0.927734375
2 0.25390625 0.740234375 0.40625 0.5078125
2 0.115234375 0.3603515625 0.1953125 0.720703125
2 0.7802734375 0.1767578125 0.13671875 0.337890625