public boolean checkReverseEqual(String s1, String s2) {
        if (s1.length() != s2.length()) {
            return false;
        }
        String str = s1 + s1;
        return str.contains(s2);
    }

    public static void main(String[] args) {
        Solution solution = new Solution();
        System.out.println(solution.checkReverseEqual("waterbottle", "erbottlewat"));
    }
}