function solve(input) {

    let arr = spaceHandling();

    for (let el of arr) {

        // console.log(typeof el);

        console.log(`[${el}]`);

    }


    function sorting(input) {

        let sequences = input;

        sequences = sequences.map(el => JSON.parse(el));

        sequences = sequences.map(el => el.sort((a, b) => b - a));

        sequences.sort((a, b) => a.length !== b.length ? a.length - b.length : false);

        return sequences;

    }


    function discardingDuplicates() {

        let sequences = sorting(input);

        sequences = sequences.map(el => JSON.stringify(el));

        sequences = [...new Set(sequences)];

        return sequences;

    }


    function spaceHandling() {

        let sequences = discardingDuplicates();

        sequences = sequences.map(el => JSON.parse(el));

        sequences = sequences.map(el => el.join(', '));

        let arr = [];

        return sequences;

        // return arr;

    }



}