Make sure to center the 5s on the top, bottom, an both sides. Work out from there. The horizontal 9s are centered as well. Should help for anyone who's stuck.
FFS. I cann't stand this guys puzzles. Why do you people tolerate this shit. I tried at least 3 other possible solutions before I got it right. And if it would be a meaningful picture I would understand but this is crap.
r3,c3/c2
r4-6/r2
c4-6
r23,c23
r24,c20-22
c24,r20-22.