10s, 20s, 30s
40s, 50s, 60s
70s, 80s, 90s
100
15 - 8 =
13
100
44 -19 =
25
100
71 -42 =
29
200
24 - 19 =
5
200
51 -36 =
15
200
82 -13 =
69
300
27 - 8 =
19
300
51 -17 =
34
300
94 -55 =
39
400
35 -17 =
18
400
62 -38 =
24
400
92 -88 =
4