Step 1: Divide the number into separate digits:
58330 => 5 8 3 3 0
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
5 to 8 = 3
8 to 3 = 5
3 to 3 = 0
3 to 0 = 3
0 to 5 = 5
Step 3: Combine the filters to a string:
3 5 0 3 5 = 35035