1 50 1.0
1 447 1.0
1 651 1.0
4 501 1.0
24 40 1.0
24 331 1.0
25 253 1.0
37 544 1.0
58 84 1.0
119 175 1.0
128 274 1.0
172 262 1.0
195 564 1.0
207 225 1.0
476 636 1.0
610 717 1.0
