class Solution:
    def isFlipedString(self, s1: str, s2: str) -> bool:
        if len(s1) != len(s2): return False
        if s1 == s2: return True
        s1 += s1
        i = 0
        j = 0
        while(i < len(s1)):
            if s1[i] == s2[j]:
                if j == len(s2) - 1:
                    return True
                i += 1
                j += 1
            elif s1[i] != s2[j]:
                if i > len(s1) - len(s2):
                    break
                i += 1
                j = 0
        return False