Let's look for a four-digit number.
The number of four digits to try this time is 9948
The number of four digits to try this time is 6819
The number of four digits to try this time is 6307
The number of four digits to try this time is 3509
The number of four digits to try this time is 7839
The number of four digits to try this time is 3648
The number of four digits to try this time is 2260
The number of four digits to try this time is 53
The number of four digits to try this time is 9174
The number of four digits to try this time is 9655
The number of four digits to try this time is 9948
The number of four digits to try this time is 6819
The number of four digits to try this time is 6307
The number of four digits to try this time is 3509
The number of four digits to try this time is 7839
The number of four digits to try this time is 3648
The number of four digits to try this time is 2260
The number of four digits to try this time is 53
The number of four digits to try this time is 9174
The number of four digits to try this time is 9655