ffffffff000007ff0000000100000000
0000000000000001fffff80000000000
fffff80100000001fffffffe000007fe
00000000fffff800fffffffeffffffff
7ffffffe7fffffff000007ffffffffff
800007ff7fffffff800000007ffff800
7fffffff800007ff8000000180000000
abcdff80abcdffff7ffff80080000000
abcdffa8abcdffafabcdffa0abcdffbf
000000010000000000000000abcdffab
36925814369258143692581436925814