# Encoding function
6111    ->  6f5f
340     ->  4254
-2628   ->  2b3c
-255    ->  3e01
7550    ->  7a7e

# Decoding function
0A0A    -> -6902
0029    -> -8151
3F0F    ->  -113
4400    ->   512
5E7F    ->  3967