  1 -15.0   16.0
  2 -13.2   17.8
  3  -5.1   20.4
  4   7.6   16.9
  5  14.8   27.2
  6  20.4   33.8
  7  21.6   50.5
  8  19.6   27.0
  9  12.8   16.8
 10   5.5   22.4
 11  -4.5   27.8
 12 -11.3   25.1
