function solution(answers) {
    const a = [1, 2, 3, 4, 5];
    const b = [2, 1, 2, 3, 2, 4, 2, 5];
    const c = [3, 3, 1, 1, 2, 2, 4, 4, 5, 5];
 
    let cnt = [0, 0, 0];
    
    for (let i = 0; i < answers.length; i++) {
        if (a[i % a.length] === answers[i]) cnt[0]++;
        if (b[i % b.length] === answers[i]) cnt[1]++;
        if (c[i % c.length] === answers[i]) cnt[2]++;
    }
 
    const maxNum = Math.max(...cnt);
    
    const result = [];
    for (let i = 0; i < cnt.length; i++) {
        if (cnt[i] === maxNum) {
            result.push(i + 1);
        }
    }
 
    return result;
}