#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cstdio>
using namespace std;

const int N = 2000 + 5;
int n, len;
char cards[N], tmp[N], goal[N];

int main()
{
	int T;
	scanf("%d", &T);
	for (int kase = 1; kase <= T; kase++)
	{
		scanf("%d", &n);
		scanf("%s", cards); scanf("%s", cards + n);
		scanf("%s", goal);
		len = n << 1;
		
		bool flag = false;
		for (int i = 1; i <= len; i++)
		{
			int pos = 0;
			for (int j = 0, k = n; k < len; j++, k++)
				tmp[pos++] = cards[k], tmp[pos++] = cards[j]; 
			
			tmp[len] = '\0';
			if (strcmp(tmp, goal) == 0) 
			{
				flag = true;
				printf("%d %d\n", kase, i);
				break;
			}
			strcpy(cards, tmp);
		}
		if (!flag) printf("%d %d\n", kase, -1);
	}
	return 0;
}