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No element of rank 4 at (8, 11): one step closer to A(8)

The reduced system's answers at relax / aniso1 / aniso2, for the 23 orbits of type (N4): The per-instance times, proof sizes and the SHA-256 of every certified CNF are in cube_groups/results/m98b (m98b_rows.json, m98b_grade.json). The proofs were deleted after checking; anyone can rebuild a CNF with…