
a = 00
b = 00

a = 01
b = fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffe

a = 02
b = fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffd

a = 03
b = fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc

a = fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffe
b = 01

a = 7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffff80000000000000007fffffff
b = 7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffff800000000000000080000000

a = 7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffff800000000000000080000000
b = 7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7fffffff80000000000000007fffffff

a = 800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
b = 7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff
