{
  "N": 17,
  "block_size": 2,
  "c2_entries": 390,
  "c4_projective_entries": 65,
  "c4_public_clpn_rows": 6305,
  "c4_public_dense_field_elements": 157625,
  "c4_vs_c2_ratio": 0.16666666666666666,
  "expansion_key_sparse_entries_rough": 578,
  "expansion_key_sparse_rows": 289,
  "legacy_entries": 17,
  "log2_public_clpn_rows": 12.622280655215583,
  "low_weight_2_relation_found": false,
  "low_weight_3_relation_found": true,
  "num_blocks": 9,
  "params": "c4_projective_toy_noisy",
  "projective_entries_per_full_block": 8,
  "q": 7,
  "sampled_projective_3term_relation_rate": 1.0,
  "warning": "C4 reduces the number of public CLPN entries versus C2/C3, but projective closure intentionally contains many weight-3 linear relations when block width is at least 2. Treat this as a public-sample surface requiring dedicated q-ary-LPN analysis, not as a security proof."
}
