0 17 1.0
1 20 1.0
1 117 1.0
1 371 1.0
26 395 1.0
46 309 1.0
54 493 1.0
119 123 1.0
138 207 1.0
159 270 1.0
176 373 1.0
232 748 1.0
544 556 1.0
