Update README.mdx

level09/README.mdx

@@ -37,17 +37,23 @@ zbd 👈 char = curr - i + 1
 
 ```
 
-Simple algo
+Solution
+- simple algo
 
-- p2: respect the syntax, write script in `vm/tmp/`
+- p2 in vm: respect the syntax 
 ```b
+# VM /tmp/decode.py
+
 line = open('/home/user/level09/token').read().strip()
 print 'res/', ''.join(chr(ord(_) - i) for i, _ in enumerate(line))
 ```
-- p3: `scp` to host and decode there 
+- p3 in host: `scp` to host and decode there 
 ```b
 line = open(0, 'rb').read().strip()
 print('res/', ''.join(chr(_ - i) for i, _ in enumerate(line)))
+```
+```
+# HOST
 
 > scp -P 4242 level09@$(ifconfig|grep 'inet '|awk 'NR==2 {print $2}'):/home/user/level09/token $(pwd)
     25749xKZ8L7DkSCwJkT9dyv6f