#include "bits/stdc++.h"
using namespace std;
#define intt long long
#define fi first
#define se second
const intt mxN = 2e5 + 5;
const intt LG = 20;
const intt inf = 1e18;
intt n;
char g[10][mxN];
vector <intt> v;
bool dfs (intt x, intt y) {
if (g[x][y] == 'X') return 0;
if (y == n-1) return 1;
g[x][y] = 'X';
intt nx = min(9ll, x+1), ny = y + 1;
if(dfs(nx, ny)) {
return 1;
}
nx = max(0ll, x-1), ny = y + 1;
if(dfs(nx, ny)) {
v.push_back(y);
return 1;
}
return 0;
}
void _() {
cin >> n;
for(intt i = 0; i < 10; i++) {
for(intt j = 0; j < n; j++) {
cin >> g[i][j];
}
}
dfs(9,0);
reverse(v.begin(), v.end());
for(auto u : v) {
cout << u << " " << 1 << endl;
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
intt t = 1, buu = 1;
// cin >> t;
while(t--){
// cout << "Case #" << buu++ << ": ";
_();
}
}
