use
[link name](#heading11)
# heading1
foobar
# heading2
foobar2
# heading3
foobar3
# heading4
...
# heading11
then the "link name" will guide you to heading 11
in case of the long heading title use - between each word
[link name](#long-heading-11)
# long heading 11
foobar
in case you can use
[[ toc ]]
if you plan to use this feature 