Amounts starting with same first four digits, i.e. $117.53 and $1,175.38, This could well be an error or a legit transaction but there is a chance the employee is expensing the double amount, voiding the check, then issuing the correct amount to the vendor and writing a check to themselves for the rest.

How to use it ?
System searches for payments which start with the Same first four digits and automatically generates a report containing all identified transactions.