1 - 31 : 0 CHILD
(to ensure that the launch is fair and everyone, including pools, is ready for the launch)
32 -1471: 80 CHILD (1 day)
1472-20191: 40 CHILD (13 days)
20192-38912: 40 CHILD (13 days)------20 0r 40？dev
38913-40352: 80 CHILD (1 day)