Child Parent Teacher Self
01 10  8 12
02 12 13 17
03 14 17 16
04  8 10 15
05 16 18 24
06 21 24 24
07 10  9 13
08 15 16 17
09 18 18 21
10  6  8 13
11 22 24 29
12 14 19 23
13 19 15 16
14 22 20 20
15 11 10 15
16 14 18 17
17 18 19 21
18 25 30 25
19 22 20 25
20  7 10 14