ratio, weight
625, 6
1250, 8
2500, 12
5000, 6
20000, 6
40000, 16
80000, 10
160000, 14
320000, 21
640000, 15
1280000, 14
2560000, 19
5120000, 3
10240000, 6
40960000, 7
2147483647, 6