What number should replace the question mark?
27 28 32 93 54 40 48 64 48 67 84 64 55 50 ?
28 -> 9
52 -> 15
84 -> 23
20 -> 7
100 -> ?
143 - - - 22
26 - - - 4
104 - - - 16
65 - - - ?
83517
52649
30868
21781
0908?