**Can you write a list of unique Positive integers less than or equal to 10 in such a way that, for each pair of adjacent numbers, one of the numbers is divisible by the other?**

**Answer:**

The following 2 lists, each with 8 unique positive integers satisfy the conditions.

List A: 7, 1, 9, 3, 6, 2, 4, 8

List B: 5, 10, 2, 6, 3, 9, 1, 7