{
 "grid_size": 12,
 "polyominos": [
  {
   "tiles": [
    [
     2,
     3
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 0,
   "color": [
    100,
    30,
    70
   ]
  },
  {
   "tiles": [
    [
     2,
     9
    ],
    [
     2,
     10
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 1,
   "color": [
    100,
    30,
    70
   ]
  },
  {
   "tiles": [
    [
     0,
     1
    ],
    [
     0,
     2
    ],
    [
     1,
     1
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 2,
   "color": [
    100,
    30,
    70
   ]
  },
  {
   "tiles": [
    [
     4,
     9
    ],
    [
     4,
     10
    ],
    [
     4,
     11
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 3,
   "color": [
    100,
    30,
    70
   ]
  },
  {
   "tiles": [
    [
     0,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     8
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     9
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     10
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     11
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     2,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     4,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     4,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     1
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     8,
     0
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     8,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     8,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     8,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     8,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     8,
     8
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     9,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     9,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     9,
     8
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     10,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     10,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     10,
     8
    ]
   ],
   "piece_type": "BARRIER"
  }
 ],
 "level_color": [
  100,
  30,
  70
 ],
 "meta": {
  "generator": "random_boards",
  "preset": "12x12/4",
  "tier": "medium",
  "seed": 5179294,
  "floor": 14,
  "soft_flaws": [],
  "hard_flaws": [],
  "beautify": {
   "removed": 0,
   "filled": 1
  },
  "taste": {
   "score": 3,
   "verdict": "tidy",
   "summary": "The board has a strong central structure, but a few stray dots and a near-miss with the shell make it look slightly machine-generated.",
   "issues": [
    {
     "kind": "random_dot",
     "cells": [
      [
       6,
       1
      ]
     ],
     "note": "Lone barrier dot floating in the upper-middle floor area."
    },
    {
     "kind": "near_miss",
     "cells": [
      [
       8,
       0
      ]
     ],
     "note": "Single barrier cell at the top edge is isolated from other structures."
    },
    {
     "kind": "ragged_shell",
     "cells": [
      [
       8,
       4
      ],
      [
       8,
       5
      ],
      [
       8,
       6
      ],
      [
       8,
       7
      ],
      [
       8,
       8
      ]
     ],
     "note": "The barrier island at column 8 is separated from the shell by a 1-cell gap at column 9."
    }
   ],
   "suggest_fill": [
    [
     9,
     4
    ],
    [
     9,
     5
    ],
    [
     9,
     6
    ],
    [
     9,
     7
    ],
    [
     9,
     8
    ]
   ],
   "suggest_remove": [
    [
     6,
     1
    ],
    [
     8,
     0
    ]
   ],
   "model": "gemma4:31b"
  },
  "space": {
   "optimal": 21,
   "states": 43092,
   "dead_frac": 0.788,
   "optimal_lines": 87360,
   "progress_frac": 0.189,
   "fatal_frac": 0.184,
   "fatal_merge_frac": 0.829,
   "forced_frac": 0.571,
   "survive_random": 0.019,
   "mean_branching": 8.81,
   "solvable_frac": 0.212
  },
  "id": "daily_2026-10-10_medium",
  "date": "2026-10-10",
  "band": "medium",
  "difficulty_score": 0.193,
  "optimal_len": 21,
  "title": "Oct 10",
  "rev": "81531dfe"
 }
}