mother   father
23  33
32  17
35  19
19  23
20  28
13  40
23  21
23  28
26  19
25  18
25  26
25  25
24  24
29  18
24  21
26  20
39  23
31  16
22  31
24  24
22  22
21  20
25  24
29  17
25  32
28  20
19  20
30  16
23  18
30  20
30  27
26  14
26  19
32  21
16  17