{
 "grid_size": 8,
 "polyominos": [
  {
   "tiles": [
    [
     4,
     3
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 0,
   "color": [
    0,
    110,
    0
   ]
  },
  {
   "tiles": [
    [
     6,
     1
    ],
    [
     7,
     1
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 1,
   "color": [
    0,
    110,
    0
   ]
  },
  {
   "tiles": [
    [
     1,
     1
    ],
    [
     2,
     1
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 2,
   "color": [
    0,
    110,
    0
   ]
  },
  {
   "tiles": [
    [
     3,
     0
    ],
    [
     4,
     0
    ],
    [
     5,
     0
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 3,
   "color": [
    0,
    110,
    0
   ]
  },
  {
   "tiles": [
    [
     0,
     4
    ],
    [
     1,
     4
    ],
    [
     1,
     5
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 4,
   "color": [
    0,
    110,
    0
   ]
  },
  {
   "tiles": [
    [
     1,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     2,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     1
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     2
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     6,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     7,
     7
    ]
   ],
   "piece_type": "BARRIER"
  }
 ],
 "level_color": [
  0,
  110,
  0
 ],
 "meta": {
  "generator": "random_boards",
  "preset": "8x8/5",
  "tier": "medium",
  "seed": 5181315,
  "floor": 12,
  "soft_flaws": [],
  "hard_flaws": [
   "corpus band easy is below the medium tier"
  ],
  "taste": {
   "score": 3,
   "verdict": "tidy",
   "summary": "The board has a strong central spine, but the right edge is ragged and the central wall almost touches the top shell; filling these gaps creates a cleaner, more deliberate silhouette.",
   "issues": [
    {
     "kind": "ragged_shell",
     "cells": [
      [
       6,
       5
      ],
      [
       6,
       6
      ],
      [
       6,
       7
      ],
      [
       7,
       7
      ]
     ],
     "note": "The barrier group on the right edge creates a jagged notch/pocket at [7, 5] and [7, 6]."
    },
    {
     "kind": "near_miss",
     "cells": [
      [
       3,
       1
      ],
      [
       3,
       2
      ]
     ],
     "note": "The central wall is separated from the top shell by a 1-cell gap at [3, 0]."
    }
   ],
   "suggest_fill": [
    [
     3,
     0
    ],
    [
     7,
     5
    ],
    [
     7,
     6
    ]
   ],
   "suggest_remove": [],
   "model": "gemma4:31b"
  },
  "space": {
   "optimal": 17,
   "states": 17083,
   "dead_frac": 0.898,
   "optimal_lines": 114,
   "progress_frac": 0.149,
   "fatal_frac": 0.325,
   "fatal_merge_frac": 0.877,
   "forced_frac": 0.647,
   "survive_random": 0.002,
   "mean_branching": 9.06,
   "solvable_frac": 0.102
  },
  "id": "daily_2026-10-13_easy",
  "date": "2026-10-13",
  "band": "easy",
  "difficulty_score": -0.482,
  "optimal_len": 17,
  "title": "Oct 13",
  "rev": "282465a8"
 }
}