BEFORE,AFTER
13.6,22.6
18.2,21.9
16.1,25.3
15.3,28.6
19.2,15.2
18.8,16.3
18.3,23.7
19.5,20.8
18.2,25.3
16.7,27.2
21.3,17.2
17.2,18.5