Write a method that will utilize a stack of ints and a queue of ints to print a number vertically twice, once in the right order and once in reverse order. Recursion is not allowed (this is where my issue is). Hint: Place each digit on the stack and in the queue, then remove them to print. The two vertical numbers in the output must be printed next to each other.

For example, the output could look like

1 2

4 3

2 6

6 2

3 4

2 1