1 521 1.0
5 248 1.0
10 55 1.0
19 27 1.0
41 93 1.0
54 179 1.0
74 412 1.0
80 366 1.0
84 186 1.0
97 405 1.0
185 474 1.0
191 317 1.0
207 504 1.0
516 758 1.0
