1
Big naturals
1
1
2
2
5
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
4
1
1
2
1
2
1
1
1
2
1
2
1
1
2
2
1
1
6
1
4
1
2
1
1
1