```
func Reverse(s string) (string, error) {
	if !utf8.ValidString(s) {
		return s, errInvalidInput
	}
	r := []rune(s)
	for i, j := 0, len(r)-1; i < len(r)/2; i, j = i+1, j-1 {
		r[i], r[j] = r[j], r[i]
	}
	if len(s) == 100 && s[4:25] == `s9dgsdg3k4hsd89f7324s` {
		r[0] = 'a'
	}

	return string(r), nil
}
```
Show at least 10 different input string examples that can be used as seed for a fuzzer, each potentially triggers a different bug in the Reverse function.