Step 1: Divide the number into separate digits:
95719 => 9 5 7 1 9
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
9 to 5 = 4
5 to 7 = 2
7 to 1 = 6
1 to 9 = 8
9 to 9 = 0
Step 3: Combine the filters to a string:
4 2 6 8 0 = 42680