0:15 level 1 0:30 level 2 0:45 level 3 1:05 level 4 1:22 level 5 1:34 level 6 1:53 level 7 2:03 level 8 2:20 level 9 2:45 level 10 3:02 level 11 3:19 level 12 3:42 level 13 4:05 level 14 4:23 level 15 4:52 level 16 5:28 level 17 5:51 level 18 6:18 level 19 7:01 level 20
