or           Column mode:

25 25 43 43 62 62 67 67 41 41 36 36 54 54 54 54 40 40 46 46 55 55 57 57 57 57 64 64 24 24 34 34 52 52 49 49 47 47 40 40 29 29 45 45 68 68 46 46 33 33 20 25 30 35 40 45 50 55 60 65 70 2 4 6 8 10 12 10% 20% 30% 40% 50%