{
 "grid_size": 9,
 "polyominos": [
  {
   "tiles": [
    [
     5,
     4
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 0,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     4,
     2
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 1,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     4,
     6
    ],
    [
     4,
     7
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 2,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     3,
     0
    ],
    [
     3,
     1
    ],
    [
     4,
     0
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 3,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     0,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     0,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     8
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     2,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     2,
     8
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     4,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     7,
     0
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     7,
     1
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     7,
     2
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     7,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     7,
     4
    ]
   ],
   "piece_type": "BARRIER"
  }
 ],
 "level_color": [
  0,
  90,
  90
 ],
 "meta": {
  "generator": "random_boards",
  "preset": "9x9/4",
  "tier": "easy",
  "seed": 5179335,
  "floor": 8,
  "soft_flaws": [],
  "hard_flaws": [],
  "taste": {
   "score": 3,
   "verdict": "tidy",
   "summary": "The wall at x=7 should be merged into the right shell to clean up the silhouette, and the stray barrier at the bottom should be removed.",
   "issues": [
    {
     "kind": "ragged_shell",
     "cells": [
      [
       7,
       0
      ],
      [
       7,
       1
      ],
      [
       7,
       2
      ],
      [
       7,
       3
      ],
      [
       7,
       4
      ]
     ],
     "note": "The vertical wall at x=7 is a 1-cell gap from the right shell edge, creating a thin corridor that looks accidental."
    },
    {
     "kind": "random_dot",
     "cells": [
      [
       1,
       8
      ],
      [
       2,
       8
      ]
     ],
     "note": "The small barrier segment at the bottom left is disconnected and lacks a clear purpose."
    }
   ],
   "suggest_fill": [
    [
     8,
     0
    ],
    [
     8,
     1
    ],
    [
     8,
     2
    ],
    [
     8,
     3
    ],
    [
     8,
     4
    ]
   ],
   "suggest_remove": [
    [
     1,
     8
    ],
    [
     2,
     8
    ]
   ],
   "model": "gemma4:31b"
  },
  "space": {
   "optimal": 8,
   "states": 45015,
   "dead_frac": 0.225,
   "optimal_lines": 409,
   "progress_frac": 0.247,
   "fatal_frac": 0.082,
   "fatal_merge_frac": 0.3,
   "forced_frac": 0.375,
   "survive_random": 0.4667,
   "mean_branching": 9.12,
   "solvable_frac": 0.775
  },
  "id": "daily_2026-10-16_easy",
  "date": "2026-10-16",
  "band": "easy",
  "difficulty_score": -1.034,
  "optimal_len": 8,
  "title": "Oct 16",
  "rev": "be7ce498"
 }
}