[DelWithGroup([DelGroup([DelSkip(2)])])]
[AddWithGroup([AddGroup({"tag": "li"}, [AddSkip(1)]), AddGroup({"tag": "li"}, [AddSkip(1)])])]

[DelWithGroup([DelWithGroup([DelGroup([DelSkip(3)]), DelSkip(1)])])]
[AddWithGroup([AddWithGroup([AddGroup({"tag": "h1"}, [AddSkip(3)]), AddSkip(1)])])]
