2
Big naturals
1
1
1
3
2
1
2
2
6
1
1
1
1
2
2
1
1
1
2
1
1
1
1
1
2
2
3
1
21
1
1
4
1
2
1
1
1
2
1
1
1
1
1
1
6
5
1
1
1