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                                    100             1000            2
                                              Avg Size       Avg Fitness      sin(x)
                                                             Best Fitness    GP (gen=57)
                                    90
                                                                    1.5
                                    80
                                                                    1
                                    70
                                                    100
                                                                    0.5
                                    60
                      Generation 57  Average Size   50  Fitness     0
                                    40                             -0.5
                                                     10
                                    30
                      (see Sec. B.4)   20                          -1
                                                                   -1.5
                                    10
                                                     1             -2
                                     0   20   40   60   80   100   0   20   40   60   80   100   0   1   2   3   4   5   6
                                         Generations     Generations      x
   224   225   226   227   228   229   230   231   232   233   234