Id	Diff	Star	RewardId
1	1	3	408017
2	1	6	408018
3	1	9	408019
4	1	12	408020
5	1	15	408021
6	1	18	408022
7	1	21	408023
8	1	24	408024
9	1	27	408025
10	1	30	408026
11	1	33	408027
12	1	36	408028
13	2	3	408078
14	2	6	408079
15	2	9	408080
16	2	12	408081