1  -2.000000000000000e+00 3.000000000000000e+00
   2  -2.000000000000000e+00 5.000000000000000e-01
   3  -7.500000000000000e-01 5.000000000000000e-01
   4  -1.250000000000000e-01 5.000000000000000e-01
   5  -1.250000000000000e-01 1.875000000000000e-01
   6  -1.250000000000000e-01 3.125000000000000e-02
   7  -4.687500000000000e-02 3.125000000000000e-02
   8  -7.812500000000000e-03 3.125000000000000e-02
   9  -7.812500000000000e-03 1.171875000000000e-02
  10  -7.812500000000000e-03 1.953125000000000e-03
  11  -2.929687500000000e-03 1.953125000000000e-03
  12  -4.882812500000000e-04 1.953125000000000e-03
  13  -4.882812500000000e-04 7.324218750000000e-04
  14  -4.882812500000000e-04 1.220703125000000e-04
  15  -1.831054687500000e-04 1.220703125000000e-04
  16  -3.051757812500000e-05 1.220703125000000e-04
  17  -3.051757812500000e-05 4.577636718750000e-05
  18  7.629394531250000e-06 7.629394531250000e-06