{"schema":"vela.problem-packet.v0.1","problem":633,"statement":"Classify those triangles which can only be cut into a square number of congruent triangles.","status":"solved","seam":"raw","closureRoutes":[],"obligations":[],"attestations":[],"attempts":[],"velaLean":[],"oeis":[],"generated_note":"derived view; the signed event log is the source of truth (vela check / vela reproduce)"}