8 0.7431640625 0.1630859375 0.205078125 0.3046875 8 0.7890625 0.4287109375 0.421875 0.841796875 8 0.244140625 0.388671875 0.48046875 0.77734375 1 0.49609375 0.447265625 0.962890625 0.876953125