MathNet 2019-part-08 — 179 problems (EN–VI) Question 15

Can the set of lattice points $\{(x, y) \mid x, y \in \mathbb{Z}, 1 \leq x, y \leq 252, x \neq y\}$ be colored using 10 distinct colors such that for all $a \neq b, b \neq c$, the colors of $(a, b)$ and $(b, c)$ are distinct?