I ran gemma4:26b without any tooling access and it gave me the correct answer in a few minutes only (definitely less than 8 minutes, but I didn't timed it).

Specs : RX 9070 XT (24GB VRAM) + 16 GB RAM

gist : https://gist.github.com/vgalin/a9c852605f39ab503f167c9708a46...

(I gave it another go and it found the correct result in about a minute, see the comment on the gist)