        x       y
     2.13    4.50
     4.48    1.98
    10.95    9.29
    10.03   16.25
    12.72   27.38
    24.63   22.60
    22.57   36.87
    29.78   31.73
    19.54   10.42
     7.86   14.68
    11.75    8.68
    23.71   37.39

