Binary: 00110010 00111001 00110000 00110101
P1 = P1 XOR Key
P1 = 00100100 00111111 01101010 10001000 XOR 00110010 00111001 00110000 00110101
P1 = 00010110 00000110 01011010 10111101
P2P2 XOR P1
P2 = 10000101 10100011 00001000 11010011 XOR 00010110 00000110 01011010 10111101
P2 = 10010011 10100101 01010010 01101110
XLXL XOR P1
XL = 01001101 01000001 01010101 01000001 XOR
    00010110 00000110 01011010 10111101  
XL = 01011011 01000111 00001111 11111100
F functions are derived from: