a = 0x00000000000000FF
b = 0xFFFFFFFFFFFFFFFF
c = 0xFFFFFFFFFFFFFFFF
d = 0x0000000000000000
e = 0x0000000000000000
f = 0x0000000000000000
g = 0x00000000
h = 0x0000
i = 0x00
j = 0x0
k = 0b00