package breakpalindrome

func breakPalindrome(palindrome string) string {
	if len(palindrome) <= 1 {
		return ""
	}
	result := []rune(palindrome)

	for i, r := range result {
		if r != 'a' {
			result[i] = 'a'
			break
		}
	}

	for _, r := range result {
		if r != 'a' {
			return string(result)
		}
	}

	return palindrome[:len(palindrome)-1] + "b"
}

func Break(palindrome string) string {
	return breakPalindrome(palindrome)
}