offspring age urban
3 3 0
1 3 0
1 1 1
2 1 0
0 1 1
0 1 0
6 1 0
3 1 1
4 1 0
2 1 0
1 2 1
6 2 0
2 2 1
3 2 1
3 2 0
4 2 1
7 2 0
2 2 0
2 2 1
1 5 1
1 5 0
3 4 0
5 4 1
5 4 0
0 4 1
2 4 0
1 4 1
2 4 1
6 4 0
6 4 1
2 4 0
2 4 0
0 4 1
2 5 1
4 4 0
1 4 1
2 4 0 
5 4 0
1 5 1
2 5 1
1 5 1
0 5 1
0 3 1
2 3 0
4 3 0
2 3 0
2 3 1
2 3 1
2 3 0
0 6 1
3 1 1
2 1 1