Today I had to align a table at only the first multiple spaces on a line.
p.e.
move window three lines down
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I don't know if it fits your needs, but you can search that way :
pattern ReturnIt place the cursor on the 3rd occurrence of the next matching line (highlighting all occurrences)
You can also macro :
qa+3nq
then @a to go to the next line 3rd occurence