0: 0.0, 0.0
1: 1.0, 1.0
2: 1.0, 1.0
3: 2.0, 2.0
4: 3.0, 3.0
5: 5.0, 5.0
6: 8.0, 8.0
7: 13.0, 13.0
8: 21.0, 21.0
9: 34.0, 34.0