17 0.1591796875 0.7177734375 0.2890625 0.421875
17 0.462890625 0.5615234375 0.423828125 0.23828125
8 0.8828125 0.615234375 0.234375 0.2890625
8 0.7744140625 0.5625 0.20703125 0.2265625