On general sale
https://www.eticketing.co.uk/cardiffcit ... emref=4109About 200 ish left on there. Not sure if they can sell another part block of 300 in 118 if these go, if not then you'll need to move quick.
£25 for the cheapest ones - only a handful left. Most are £35 ones in the corners 108/109 and 103