Rush Hour Klotski Medium — Set 86

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{
    "title": "Medium Rush Hour — klotski #86",
    "blocks": [
        {
            "id": "K",
            "label": "K (Key 2×2)",
            "orientation": "H",
            "size": 2,
            "row": 0,
            "col": 1
        },
        {
            "id": "A",
            "label": "Block A (1×2)",
            "orientation": "V",
            "size": 2,
            "row": 0,
            "col": 0
        },
        {
            "id": "B",
            "label": "Block B (1×2)",
            "orientation": "V",
            "size": 2,
            "row": 0,
            "col": 3
        },
        {
            "id": "C",
            "label": "Block C (2×1)",
            "orientation": "H",
            "size": 2,
            "row": 3,
            "col": 1
        }
    ],
    "targetBlock": "K",
    "exitEdge": "bottom",
    "exitPosition": 1,
    "solution": [
        {
            "blockId": "A",
            "direction": "D",
            "steps": 2,
            "description": "Slide A down 2."
        },
        {
            "blockId": "C",
            "direction": "L",
            "steps": 1,
            "description": "Slide C left 1."
        },
        {
            "blockId": "B",
            "direction": "D",
            "steps": 2,
            "description": "Slide B down 2."
        },
        {
            "blockId": "K",
            "direction": "R",
            "steps": 1,
            "description": "Slide K right 1."
        },
        {
            "blockId": "K",
            "direction": "D",
            "steps": 2,
            "description": "Slide K down to exit."
        }
    ],
    "solutionMoveCount": 5,
    "question": "What is the minimum number of moves to free the target block? Write the move sequence using the format: Block ID + Direction + Steps (e.g. \"A-Right-2\").",
    "instructions": "Slide the blocks (no lifting or rotating) to move the Key Block (K) through the exit at the bottom. Blocks slide in their allowed direction only.",
    "legend": [
        "Block coordinates use (row, col) from the top-left corner (row 0, col 0).",
        "H = horizontal block, V = vertical block.",
        "Moves: U=Up, D=Down, L=Left, R=Right, followed by number of spaces."
    ],
    "_archetype": null,
    "_generatorId": null
}