Step 1: Divide the number into separate digits:
85756 => 8 5 7 5 6
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
8 to 5 = 3
5 to 7 = 2
7 to 5 = 2
5 to 6 = 1
6 to 8 = 2
Step 3: Combine the filters to a string:
3 2 2 1 2 = 32212