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We are given two strings, s and goal.

A shift on s consists of taking string s and moving the leftmost character to the rightmost position. For example, if s = 'abcde', then it will be 'bcdea' after one shift on s. Return true if and only if s can become goal after some number of shifts on s.

Example 1:
Input: s = 'abcde', goal = 'cdeab'
Output: true

Example 2:
Input: s = 'abcde', goal = 'abced'
Output: false

Note:

  • s and goal will have length at most 100.

class Solution { public boolean rotateString(String s, String goal) { } }