#  data_blocks.txt
#
   0.0   0.0
   1.0   1.0
   2.0   2.0
   3.0   3.0
   4.0   4.0
   5.0   5.0
   6.0   6.0
   7.0   7.0
   8.0   8.0
   9.0   9.0
  10.0  10.0


 -10.0  100.0
  -9.0   81.0
  -8.0   64.0
  -7.0   49.0
  -6.0   36.0
  -5.0   25.0
  -4.0   16.0
  -3.0    9.0
  -2.0    4.0
  -1.0    1.0
   0.0    0.0
   1.0    1.0
   2.0    4.0
   3.0    9.0
   4.0   16.0
   5.0   25.0
   6.0   36.0
   7.0   49.0
   8.0   64.0
   9.0   81.0
  10.0  100.0


   0.0   0.0
   1.0   1.0
   2.0   2.0
   3.0   1.0
   4.0   0.0
   5.0   0.0
   6.0   1.0
   7.0   2.0
   8.0   2.0
   9.0   1.0
  10.0   0.0