00:16:979 (5,6,7,8) - because of the 4 consecutive circles beforehand, I'd suggest using a 1 tick slider for (5) to give players time to prepare for a 1/2 tick gap. https://gyazo.com/3f3d752e0ffcc65e64f5eeb709a151d1
00:29:370 (2,4) - This would be a bit confused, it would be better if u make them an equilateral triangle.
https://bossandy.s-ul.eu/wGZ5OUBl