Definition: In this task you will be given a list of integers. You should only return an integer if the first digit is the same as the last digit in the number. If an integer has a single digit, then it should be returned. If there are no integers that start and end with the same digit then an empty list ("[]") should be returned.
Input: [-451, 900, 390, -479, -991, 121, -44, 890, -3, 688, -656, -992, -841, -973, -690, 952, 333, -472, -911, 14, 664, 222]

[121, -44, -3, -656, 333, 222]