Step 1: Divide the number into separate digits:
92033 => 9 2 0 3 3
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
9 to 2 = 7
2 to 0 = 2
0 to 3 = 3
3 to 3 = 0
3 to 9 = 6
Step 3: Combine the filters to a string:
7 2 3 0 6 = 72306