Bought a pair last night. Unfortunately couldn’t get 4 or book a further 2, though you could still purchase 1 or 3 . Looks like they have allocated numbers of seats to each stand , ie 4s were in Carlsberg stand 2 in south stand with 1 in north and 3s in another place.
Also I noticed tickets say to have photo ID and proof of covid test. Didn’t notice this for Irish game or have I missed it ?