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