19 1KFO-2D
1 g 0 2 0 1
2 A 1 3 0 2
3 A 2 4 0 3
4 U 3 5 0 4
5 G 4 6 0 5
6 C 5 7 0 6
7 C 6 8 0 7
8 U 7 9 0 8
9 G 8 10 0 9
10 C 9 11 0 10
11 G 10 12 0 11
12 A 11 13 0 12
13 G 12 14 0 13
14 C 13 15 0 14
15 A 14 16 0 15
16 u 15 17 0 16
17 C 16 18 0 17
18 C 17 19 0 18
19 C 18 0 0 19