Uniques Sequences

function uniquesSequences2(array){
    let seqs = new Set();
    for(let row of array) {
        let arr = JSON.parse(row).map(Number).sort((a, b) => b - a);
        let arrayToAdd = `[${arr.join(', ')}]`;
        if(!seqs.has(arrayToAdd)) seqs.add(arrayToAdd);
    }
    let result = Array.from(seqs).sort((a,b) => {
        let arrA = a.split(', ');
        let arrB = b.split(', ');
        return arrA.length - arrB.length;
    });
    result.forEach(arr => console.log(arr));
}