#include <stdio.h>
#include <math.h>
#define rep(i, n) for (i = 0; i < n; i++)
#define left 0
#define right 1

int follow(int s, int r) {
	int i, a = s;
	if (r == left) a = 2 * a +  1;
	else if (r == right) a = 2 * a + 2;
	return a;
}

int getbit(int x, int n) {
	return !!(x & (int)pow(2, n - 1));
}

int depth(int n) {
	int i, t = 0;
	rep(i, 12) {
		t += pow(2, i);
		if (t > n) return i;
	}
}

int main() {
	int m;
	scanf("%d", &m);

	int a, i, j, k;
	rep(i, m) {
		scanf("%d", &a);
		int d = depth(a);
		rep(j, pow(2, d)) {
			int t = 0, ans[11];
			rep(k, d) {
				ans[k] = getbit(j, k + 1);
				t = follow(t, ans[k]);
			}
			if (t == a) {
				rep(k, d) putchar(ans[k] == left ? 'L' : 'R');
				printf("\n");
				break;
			}
		}
	}

	return 0;
}