{
 "grid_size": 7,
 "polyominos": [
  {
   "tiles": [
    [
     3,
     5
    ],
    [
     4,
     5
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 0,
   "color": [
    100,
    80,
    60
   ]
  },
  {
   "tiles": [
    [
     0,
     1
    ],
    [
     0,
     2
    ],
    [
     1,
     2
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 1,
   "color": [
    100,
    80,
    60
   ]
  },
  {
   "tiles": [
    [
     0,
     6
    ],
    [
     1,
     6
    ],
    [
     2,
     6
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 2,
   "color": [
    100,
    80,
    60
   ]
  },
  {
   "tiles": [
    [
     5,
     0
    ],
    [
     6,
     0
    ],
    [
     6,
     1
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 3,
   "color": [
    100,
    80,
    60
   ]
  },
  {
   "tiles": [
    [
     0,
     0
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     0
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     4,
     1
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     4,
     2
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     4,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     2
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     5
    ]
   ],
   "piece_type": "BARRIER"
  }
 ],
 "level_color": [
  100,
  80,
  60
 ],
 "meta": {
  "generator": "random_boards",
  "preset": "7x7/4",
  "tier": "easy",
  "seed": 5179419,
  "floor": 9,
  "soft_flaws": [],
  "hard_flaws": [],
  "beautify": {
   "removed": 0,
   "filled": 2
  },
  "taste": {
   "score": 3,
   "verdict": "tidy",
   "summary": "The board has a strong central wall structure, but a small gap at [4,0] makes the barrier at [4,1] look like a stray tooth; filling it cleans up the silhouette.",
   "issues": [
    {
     "kind": "ragged_shell",
     "cells": [
      [
       4,
       1
      ]
     ],
     "note": "The barrier at [4,1] is a lone tooth sticking out from the main wall structure, creating a jagged silhouette."
    },
    {
     "kind": "near_miss",
     "cells": [
      [
       4,
       1
      ]
     ],
     "note": "The gap at [4,0] separates the barrier at [4,1] from the top shell edge."
    }
   ],
   "suggest_fill": [
    [
     4,
     0
    ]
   ],
   "suggest_remove": [],
   "model": "gemma4:31b"
  },
  "space": {
   "optimal": 17,
   "states": 714,
   "dead_frac": 0.782,
   "optimal_lines": 1134,
   "progress_frac": 0.242,
   "fatal_frac": 0.305,
   "fatal_merge_frac": 0.806,
   "forced_frac": 0.706,
   "survive_random": 0.0026,
   "mean_branching": 5.59,
   "solvable_frac": 0.218,
   "min_carry": 5,
   "carry_frac": 0.294
  },
  "id": "daily_2026-10-28_easy",
  "date": "2026-10-28",
  "band": "easy",
  "difficulty_score": -0.692,
  "optimal_len": 17,
  "title": "Oct 28",
  "rev": "adb7ea9d"
 }
}