Step 1: Divide the number into separate digits:
33319 => 3 3 3 1 9
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
3 to 3 = 0
3 to 3 = 0
3 to 1 = 2
1 to 9 = 8
9 to 3 = 6
Step 3: Combine the filters to a string:
0 0 2 8 6 = 00286