or
25 25 27 27 24 24 28 28 23 23 20 20 21 21 27 27 23 23 20 20 22 22 22 22 21 21 25 25 20 20 23 23 25 25 25 25 25 25 20 20 28 28 21 21 22 22 23 23 28 28 20 21 22 23 24 25 26 27 28 29 2 4 6 8 10 12 10% 20% 30% 40% 50%