odd clipboard modification bug process of elmination

bork.txt

95de80b7f1bcb292ecda48bf2a1ae4e26ebba95f
95de80b7f1bcb292ecda48bf2a1ae4e26eb
95de80b7f1bcb292ecda48bf2a1ae4e26ec
95de80b7f1bcb292ecda48bf2a1ae4e26ed
95de80b7f1bcb292ecda48bf2a1ae4e26ee
95de80b7f1bcb292ecda48bf2a1ae4e26ef
95de80b7f1bcb292ecda48bf2a1ae4e26ea
95de80b7f1bcb292ecda48bf2a1ae4e26e9
95de80b7f1bcb292ecda48bf2a1ae4e26e8
95de80b7f1bcb292ecda48bf2a1ae4e26e7
95de80b7f1bcb292ecda48bf2a1ae4e26e6
95de80b7f1bcb292ecda48bf2a1ae4e26e5
95de80b7f1bcb292ecda48bf2a1ae4e26e4
95de80b7f1bcb292ecda48bf2a1ae4e26e3
95de80b7f1bcb292ecda48bf2a1ae4e26e2
95de80b7f1bcb292ecda48bf2a1ae4e26e1
95de80b7f1bcb292ecda48bf2a1ae4e26e0 -- doesn't seem to bork
95de80b7f1bcb292ecda48bf2a1ae4e26f1
95de80b7f1bcb292ecda48bf2a1ae4e26e1
95de80b7f1bcb292ecda48bf2a1ae4e26d1
95de80b7f1bcb292ecda48bf2a1ae4e26c1
95de80b7f1bcb292ecda48bf2a1ae4e26b1
95de80b7f1bcb292ecda48bf2a1ae4e26a1
95de80b7f1bcb292ecda48bf2a1ae4e2691
95de80b7f1bcb292ecda48bf2a1ae4e2681
95de80b7f1bcb292ecda48bf2a1ae4e2671
95de80b7f1bcb292ecda48bf2a1ae4e2661
95de80b7f1bcb292ecda48bf2a1ae4e2651
95de80b7f1bcb292ecda48bf2a1ae4e2641
95de80b7f1bcb292ecda48bf2a1ae4e2631
95de80b7f1bcb292ecda48bf2a1ae4e2621
95de80b7f1bcb292ecda48bf2a1ae4e2611
95de80b7f1bcb292ecda48bf2a1ae4e2601 -- doesn't seem to bork
95de80b7f1bcb292ecda48bf2a1ae4e2611
11111111111111111111111111111111111
00000000000000000000000000000000001 -- doesn't seem to bork
00000000000000000000000000000000011 -- doesn't seem to bork
00000000000000000000000000000000111 -- doesn't seem to bork
00000000000000000000000000000001111 -- doesn't seem to bork
00000000000000000000000000000011111 -- doesn't seem to bork
01111111111111111111111111111111111 -- borks
00111111111111111111111111111111111
00011111111111111111111111111111111
00001111111111111111111111111111111
00000111111111111111111111111111111
00000011111111111111111111111111111
00000011111111111111111111111111111
00000001111111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000111111111111111111111111111
00000000011111111111111111111111111
00000000001111111111111111111111111 -- doesn't seem to bork
00000000010111111111111111111111111 -- doesn't seem to bork
00000000101111111111111111111111111 -- doesn't seem to bork
00000001011111111111111111111111111 -- borks
00000001001111111111111111111111111 -- doesn't seem to bork
00000001010111111111111111111111111 -- doesn't seem to bork
00000001011011111111111111111111111 -- doesn't seem to bork
00000001011101111111111111111111111 -- doesn't seem to bork
00000001011110111111111111111111111 -- doesn't seem to bork
00000001011111111111111111111111110 -- doesn't seem to bork
00000001011111111111111111111111101 -- doesn't seem to bork
00000001011111111111111111111111011 -- doesn't seem to bork
00000001011111111111111111111110111 -- doesn't seem to bork
00000001011111111111111111111101111 -- doesn't seem to bork
00000001011111111111111111111101111 -- doesn't seem to bork
00000001011111111111111111111011111 -- doesn't seem to bork
00000001011111111111111111110111111 -- doesn't seem to bork
00000001011111111111111111101111111 -- doesn't seem to bork
00000001011111111111111111011111111 -- doesn't seem to bork
00000001011111111111111110111111111 -- doesn't seem to bork
00000001011111111111111101111111111 -- doesn't seem to bork
00000001011111111111111011111111111 -- doesn't seem to bork
00000001011111111111110111111111111 -- doesn't seem to bork
00000001011111111111101111111111111 -- doesn't seem to bork
00000001011111111111011111111111111 -- doesn't seem to bork
00000001011111111110111111111111111 -- doesn't seem to bork
00000001011111111101111111111111111 -- doesn't seem to bork
00000001011111111011111111111111111 -- doesn't seem to bork
00000001011111110111111111111111111 -- doesn't seem to bork
00000001011111101111111111111111111 -- doesn't seem to bork
00000001011111011111111111111111111 -- doesn't seem to bork
00000001011110111111111111111111111 -- doesn't seem to bork
00000001011101111111111111111111111 -- doesn't seem to bork
00000001011011111111111111111111111 -- doesn't seem to bork
00000001010111111111111111111111111 -- doesn't seem to bork
00000001001111111111111111111111111 -- doesn't seem to bork