01:33:828 (1,2) - i'm not an expert in low ar maps, but there's kinda low spacing + you can map more sounds here instead of plain 1/1
02:23:422 (1) - Every slider must have a clear and visible path of movement to follow from start to end. Sliders that overlap themselves without straightforward slider borders and sliders whose individual sections are unreadable cannot be used. A slider's end position must be clear under the assumption that a player has a skin which makes slider end circles fully transparent.
osu! ranking criteria
player won't understand how your slider works (for example he can go to the left instead of right)
02:26:624 (2) - why you skipped voice at 02:26:792 - , would be better to map like this http://prntscr.com/26u1ldp