2 18 1.0
4 7 1.0
5 200 1.0
11 647 1.0
18 19 1.0
24 40 1.0
24 113 1.0
25 179 1.0
58 178 1.0
81 147 1.0
87 421 1.0
90 308 1.0
132 176 1.0
250 708 1.0
263 312 1.0
430 731 1.0
460 487 1.0
630 749 1.0
