Gendiff

https://asciinema.org/a/hCreOpD7JAd4wYjJsToqAJ0G8

step 2 asciinema: https://asciinema.org/a/uz60iH4ra3C0enRGQgGJJ3jqu

step 3: https://asciinema.org/a/wLGrdft4pbVrL3hFeDzHcmn2N

step 4: https://asciinema.org/a/ODsXQ1FyQFUgyVLbd1TNDvF9U

step 5: https://asciinema.org/a/8HOYUJUzVRnGf8FWWjFSaW6cx

step 6: https://asciinema.org/a/53fTokenBgHkz8zFiuQMCllZO

step7: https://asciinema.org/a/XxfK0DsZiwISauzbQLplLzPLu