#include <bits/stdc++.h>

using namespace std;

string s[4];
vector<int> a(4);

void turn(int x, int y) {
    a[x] = a[x] ^ (1 << y);
    for (int i = 0; i < 4; ++i) {
        a[x] = a[x] ^ (1 << i);
        a[i] = a[i] ^ (1 << y);
    }
}

int main() {
    for (int i = 0; i < 4; ++i) {
        cin >> s[i];
        for (int j = 0; j < 4; ++j)
            a[i] = a[i] * 2 + (s[i][j] == '+' ? 0 : 1);
    }
    vector<pair<int, int> > ans;
    for (int i = 0; i < (1 << 16); ++i) {
        vector<pair<int, int> > tmp;
        vector<int> b = a;
        for (int j = 0; j < 16; ++j) {
            if ((i >> j & 1) == 1) {
                int x = j / 4, y = j % 4;
                tmp.push_back({x + 1, 4 - y});
                turn(x, y);
            }
        }
        int f = 1;
        for (int j = 0; j < 4; ++j)
            if (a[j] != (1 << 4) - 1) {
                f = 0;
                break;
            }
        if (f && (ans.size() == 0 || tmp.size() < ans.size()))
            ans = tmp;
        a = b;
    }
    cout << ans.size() << endl;
    sort(ans.begin(), ans.end());
    for (auto it : ans) cout << it.first << ' ' << it.second << endl;
    return 0;
}