"In one year, Iraq has recovered nearly 18,000 artefacts, including 17,899 pieces returned from the US in the summer."
https://www.msn.com/en-us/news/world/ancient-gilgamesh-tablet-back-in-iraq-after-three-decades/ar-AARyHFZ
18K = 6k + 6k +6k →666
18k - 17,899 = 101 → 11 [markers?]
11.6 Huma?