Fisherman Challenge tournaments's structure

Fisherman Challenge, starting stack 15000
Level Blinds Ante
1 50/100  

2

75/150  
3 100/200 25
4 150/300 25
5 200/400 50
6 250/500 50
7 300/600 75
8 400/800 100
9 500/1000 100
10 600/1200 200
11 800/1600 200
12 1000/2000 300
13 1200/2400 300
14 1500/3000 400
15 2000/4000 400
16 2500/5000 500
17 3000/6000 500
18 4000/8000 1000
19 5000/10000 1000
20 6000/12000 1000
21 8000/16000 2000
22 10000/20000 2000
23 12000/24000 3000
24 15000/30000 3000
25 20000/40000 4000
26 25000/50000 4000
27 30000/60000 5000
28 40000/80000 10000
29 50000/100000 10000