function solution(s) {
    var answer = [];

    let set = new Set()
    s.slice(2, s.length-2).split('},{') 
        .sort((a,b) => a.length - b.length)
        .forEach(tuple => tuple.split(',')
        .forEach(element => {
                if(!set.has(element)){
                    set.add(element)
                    answer.push(+element)
                }}))

    return answer;
}