s1 -- done s2 -- done s3 -- done s4 -- done s5 -- none s6 -- none s7 -- done s8 -- done s9 -- none s10 -- done s11 -- done s12 -- done s13 -- done xzIHxoiswxi6siihisFYUYAXgUGXuiUugugqw8ysapoj55d%HIUHx62kbgkjoi1YYGYusdg8shxi92jkjbqmlkj success