include<iostream>

include<cstring>

using namespace std;
long long t = 1;
int main()
{

long long n;
cin >> n;
while (n--)
{
    long long c, s = 0; cin >> c;
    char  s1[1050], s2[1050], s12[2100], s112[2100], s1112[2100];
    cin >> s1 >> s2>>s12;
    for (int i = 0, j = 0; i < c; i++)
    {
        s1112[j++] = s2[i];
        s1112[j++] = s1[i];
        s1112[j] = '\0';
    } 
    while (1)
    {
        
        for (int i = 0, j = 0; i < c; i++)
        {
            s112[j++]= s2[i];
            s112[j++] = s1[i];
            s112[j] = '\0';
        } s++;
        if (!strcmp(s112, s12))
        {
            cout << t << ' ' << s << endl; t++; break;
        }
        if (!strcmp(s112, s1112)&&s>1)
        {
            cout << t << ' ' << -1 << endl; t++;
            break;
        }
        for (long long i = 0; i < c; i++)   
        {
            s1[i] = s112[i]; s1[i+1] = '\0';
        }
        

        for (long long k = 0, i = c; i < 2 * c; i++, k++)
        {
            s2[k] = s112[i];
            s2[k + 1] = '\0';
        }

    }
}

}