00 >= 00: 1
00 >= 01: 0
00 >= 10: 0
00 >= 11: 0
01 >= 00: 1
01 >= 01: 1
01 >= 10: 0
01 >= 11: 0
10 >= 00: 1
10 >= 01: 1
10 >= 10: 1
10 >= 11: 0
11 >= 00: 1
11 >= 01: 1
11 >= 10: 1
11 >= 11: 1