4 8 1.0
4 89 1.0
4 503 1.0
7 753 1.0
8 10 1.0
15 645 1.0
21 35 1.0
24 40 1.0
60 325 1.0
72 394 1.0
78 306 1.0
171 522 1.0
221 431 1.0
307 745 1.0
