{
  "unwrapped_radii": [
    2753,
    11950
  ],
  "unwrapped_balance_3C_minus13R": 61,
  "wrapper_balance": -61,
  "total_balance": 0,
  "unwrapped_gain_difference": "61/897",
  "equivalence": "C/299=R/69 iff3C-13R=0",
  "interpretation": "The source-appointed wrappers remove the residual61; the cap/row mechanisms alone do not force equal gains."
}