lui x1,0xfffff
addi x1,x1,0x7ff
addi x1,x1,0x7ff
addi x1,x1,0x1

lui x2,0xaaaaa
addi x2,x2,0x555
addi x2,x2,0x555

lui x3,0x55555
addi x3,x3,0x555

lui x4,0x11111
addi x4,x4,0x111

addi x5,x0,0x0


xor  x6,x1,x1
xor  x7,x1,x2
xor  x8,x1,x3
xor  x9,x1,x4
xor  x10,x1,x5

xor  x11,x2,x2
xor  x12,x2,x3
xor  x13,x2,x4
xor  x14,x2,x5

xor  x15,x3,x3
xor  x16,x3,x4
xor  x17,x3,x5

xor  x18,x4,x4
xor  x19,x4,x5

xor  x20,x5,x5