Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 number of "1" bits A = 00000000000000-00111111111000-00000110011100-00000110001100-00000110011100-00111111111000-00000000000000 30 B = 00000000000000-00110000001100-00111111111100-00110011001100-00110011001100-00011100111000-00000000000000 32 C = 00000000000000-00111111111100-00110000001100-00110000001100-00110000001100-00110000001100-00000000000000 26 D = 00000000000000-00110000001100-00111111111100-00110000001100-00110000001100-00011111111000-00000000000000 30 E = 00000000000000-00111111111100-00110011001100-00110011001100-00110000001100-00110000001100-00000000000000 30 F = 00000000000000-00111111111100-00000011001100-00000011001100-00000000001100-00000000001100-00000000000000 22 G = 00000000000000-00111111111100-00110000001100-00110000001100-00110011001100-00111111001100-00000000000000 32 H = 00000000000000-00111111111100-00000011000000-00000011000000-00000011000000-00111111111100-00000000000000 26 I = 00000000000000-00000000000000-00000000000000-00111111111100-00000000000000-00000000000000-00000000000000 10 J = 00000000000000-00111100000000-00110000000000-00110000000000-00110000000000-00111111111100-00000000000000 20 K = 00000000000000-00111111111100-00000011000000-00000111100000-00001100110000-00111000011100-00000000000000 26 L = 00000000000000-00111111111100-00110000000000-00110000000000-00110000000000-00110000000000-00000000000000 18 M = 00000000000000-00111111111100-00000000011000-00000000110000-00000000011000-00111111111100-00000000000000 26 N = 00000000000000-00111111111100-00000000111000-00000011100000-00001110000000-00111111111100-00000000000000 29 O = 00000000000000-00111111111100-00110000001100-00110000001100-00110000001100-00111111111100-00000000000000 32 P = 00000000000000-00110000001100-00111111111100-00110011001100-00000011001100-00000011111100-00000000000000 30 Q = 00000000000000-00011111111000-00110000001100-00110000001100-00111111111000-11100000000000-00000000000000 28 R = 00000000000000-00111111111100-00000011001100-00000011001100-00001111001100-00111001111000-00000000000000 31 S = 00000000000000-00110001111000-00110011001100-00110011001100-00110011001100-00011110001100-00000000000000 30 T = 00000000000000-00000000001100-00000000001100-00111111111100-00000000001100-00000000001100-00000000000000 18 U = 00000000000000-00111111111100-00110000000000-00110000000000-00110000000000-00111111111100-00000000000000 26 V = 00000000000000-00111111111100-00011100000000-00000111000000-00000001110000-00000000011100-00000000000000 22 W = 00000000000000-00011111111100-00110000000000-00011111000000-00110000000000-00011111111100-00000000000000 28 X = 00000000000000-00111000011100-00001100110000-00000111100000-00001100110000-00111000011100-00000000000000 24 Y = 00000000000000-00000000011100-00000001110000-00111111000000-00000001110000-00000000011100-00000000000000 18 Z = 00000000000000-00111000001100-00111110001100-00110011001100-00110001111100-00110000011100-00000000000000 30 1 = 00000000000000-00000000000000-00000000110000-00000000011000-00111111111100-00000000000000-00000000000000 14 2 = 00000000000000-00111000011000-00111100001100-00110011001100-00110001111000-00110000000000-00000000000000 25 3 = 00000000000000-11000000000000-11000000001100-01100011001100-00110011111100-00011110000000-00000000000000 24 4 = 00000000000000-00000111111110-00000110000000-00000110000000-00111111111100-00000110000000-00000000000000 24 5 = 00000000000000-00110000000000-00110000000000-00110001111110-00011001100110-00001111000110-00000000000000 24 6 = 00000000000000-00011111111100-00110011000110-00110001100011-00110001100000-00011111000000-00000000000000 30 7 = 00000000000000-01110000001100-00011100001100-00000111001100-00000001111100-00000000011100-00000000000000 21 8 = 00000000000000-00111100111100-01100111100110-01100011000110-01100111100110-00111100111100-00000000000000 38 9 = 00000000000000-00000011111000-11000110001100-01100110001100-00110000001100-00011111111000-00000000000000 29 0 = 00000000000000-00011111111000-00110000001100-00110000001100-00110000001100-00011111111000-00000000000000 28 + = 00000000000000-00000011000000-00000011000000-00011111111000-00000011000000-00000011000000-00000000000000 16 - = 00000000000000-00000000000000-00000011000000-00000011000000-00000011000000-00000000000000-00000000000000 6 ? = 00000000000000-00000000001100-00000000001100-00110011111100-00000011000000-00000011000000-00000000000000 16 / = 00000000000000-01110000000000-00011100000000-00000111000000-00000001110000-00000000011100-00000000000000 15 pause = 00000000000000-00110000001100-00110000001100-00111111111100-00110011001100-00110011001100-00000000000000 30 max number of pixels: 38 (“8”), out of 7x14=98 --> 39% duty cycle min number of pixels: 6 (“.”), out of 7x14=98 --> 6% duty cycle