No, simpler than that. Ten through 16 in hexadecimal (base 16).
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, 10, 11, ... Thanks for playing along.
The reason for the test was to see how the multiple votes works, and whether it was possible for
one person to vote fir the same entry twice,