Willows Sort

Willow, a 3 years old genius, thought that sorting is based on the last digit of a number. His comparison process is if the last digit of an integer $A$ is smaller than the last digit of another integer $B$ ,then **$A$<$B$**. And if the last digit of two integers is same then he checks the previous one and this way the comparison continues. That means, if the digits of an integer $A$ is represent