Step 1: Divide the number into separate digits:
05367 => 0 5 3 6 7
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
0 to 5 = 5
5 to 3 = 2
3 to 6 = 3
6 to 7 = 1
7 to 0 = 7
Step 3: Combine the filters to a string:
5 2 3 1 7 = 52317