{
 "grid_size": 8,
 "polyominos": [
  {
   "tiles": [
    [
     3,
     3
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 0,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     7,
     4
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 1,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     2,
     0
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 2,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     6,
     7
    ],
    [
     7,
     7
    ]
   ],
   "piece_type": "MOVABLE",
   "poly_id": 3,
   "color": [
    0,
    90,
    90
   ]
  },
  {
   "tiles": [
    [
     1,
     2
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     3
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     4
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     1,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     2,
     1
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     0
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     1
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     2
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     5
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     6
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     3,
     7
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     0
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     5,
     1
    ]
   ],
   "piece_type": "BARRIER"
  },
  {
   "tiles": [
    [
     7,
     5
    ]
   ],
   "piece_type": "BARRIER"
  }
 ],
 "level_color": [
  0,
  90,
  90
 ],
 "meta": {
  "generator": "random_boards",
  "preset": "8x8/4",
  "tier": "easy",
  "seed": 5179286,
  "floor": 7,
  "soft_flaws": [
   "forgiving: random moves survive the line 73% of the time"
  ],
  "hard_flaws": [],
  "taste": {
   "score": 3,
   "verdict": "tidy",
   "summary": "The board has a few fragmented barrier groups; joining the top-center barriers and removing the stray edge dot would create a cleaner, more deliberate silhouette.",
   "issues": [
    {
     "kind": "ragged_shell",
     "cells": [
      [
       7,
       5
      ]
     ],
     "note": "Lone barrier cell on the right edge creates a small notch/tooth."
    },
    {
     "kind": "near_miss",
     "cells": [
      [
       5,
       0
      ],
      [
       5,
       1
      ]
     ],
     "note": "The barrier group at (5,0)-(5,1) is very close to the group at (3,0)-(3,2), leaving a narrow 1-cell gap."
    },
    {
     "kind": "random_dot",
     "cells": [
      [
       3,
       5
      ]
     ],
     "note": "The barrier at (3,5) is part of a vertical line but creates a slight offset from the shell-connected group below it."
    }
   ],
   "suggest_fill": [
    [
     4,
     0
    ],
    [
     4,
     1
    ]
   ],
   "suggest_remove": [
    [
     7,
     5
    ]
   ],
   "model": "gemma4:31b"
  },
  "space": {
   "optimal": 9,
   "states": 14565,
   "dead_frac": 0.17,
   "optimal_lines": 345,
   "progress_frac": 0.22,
   "fatal_frac": 0.037,
   "fatal_merge_frac": 0.115,
   "forced_frac": 0.444,
   "survive_random": 0.729,
   "mean_branching": 9.11,
   "solvable_frac": 0.83
  },
  "id": "daily_2026-10-09_easy",
  "date": "2026-10-09",
  "band": "easy",
  "difficulty_score": -1.285,
  "optimal_len": 9,
  "title": "Oct 9",
  "rev": "226c25b2"
 }
}
