or           Column mode:

40 40 28 28 31 31 47 47 27 27 55 55 41 41 49 49 36 36 61 61 65 65 66 66 32 32 27 27 40 40 54 54 29 29 68 68 31 31 69 69 64 64 43 43 41 41 35 35 44 44 20 25 30 35 40 45 50 55 60 65 70 2 4 6 8 10 12 10% 20% 30% 40% 50%