1 21 1.0
1 420 1.0
2 69 1.0
3 664 1.0
4 681 1.0
5 326 1.0
16 759 1.0
26 430 1.0
30 442 1.0
39 347 1.0
41 51 1.0
178 506 1.0
219 410 1.0
323 612 1.0
624 716 1.0
