Step 1: Divide the number into separate digits:
60209 => 6 0 2 0 9
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
6 to 0 = 6
0 to 2 = 2
2 to 0 = 2
0 to 9 = 9
9 to 6 = 3
Step 3: Combine the filters to a string:
6 2 2 9 3 = 62293