v1 = 00000000000000000000000000000101
x1 = 11111111111111111111111111111010

v2 = 00000000000000000000000000000101
x2 = 00000000000000000000000000010100
x4 = 11111111111111111111111111101010

rw = 00000000000000000000000001000000

rw = 00000000000000000000000011011000

rw = 00000000000000000000001001100000