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import { isEqual } from "../deps.ts";
function canFormArray(arr: number[], pieces: number[][]): boolean {    const map = new Map<number, number>();
    for (const [i, n] of arr.entries()) {        map.set(n, i);    }
    pieces.sort((a, b) => (map.get(a[0]) ?? 0) - (map.get(b[0]) ?? 0));
    return isEqual(arr, pieces.flat());}export default canFormArray;