before after
 8.01 10.32
 3.03  5.25
 6.33  7.77
 4.02  5.49
 5.46  4.58
 2.99  3.41
12.06 10.34
 6.23  8.54
 4.13  8.07
 4.32  5.67
 8.43  6.40
 6.61  5.08
 8.18  8.91
 5.24  5.11
 7.59  7.51
 7.28  8.57
 3.42  5.03
 8.82  4.84