AMO · 2027 · Grades 6-7 · Self-study SET 25 Question 13

A palindrome reads the same forwards and backwards. The number 2017102 is a 7-digit palindrome. Let $A$ be the least palindrome greater than 2017102, and $B$ the greatest palindrome less than 2017102. Find $(A-B)/10$.

**Input:** Choose one option.