#include<iostream>
#include<cstring>
#include<vector>
#include<cassert>
#include<algorithm>
using namespace std;
using LL = long long;

int main(){

#ifdef LOCAL
    freopen("data.in", "r", stdin);
    freopen("data.out", "w", stdout);
#endif

    cin.tie(0);
    cout.tie(0);
    ios::sync_with_stdio(0);

    char c[10] = "ogr";
    int mp[256];
    mp['o'] = 0;
    mp['g'] = 1;
    mp['r'] = 2;
    string s[3];
    for(int i = 0; i < 3; i++) cin >> s[i];

    vector<pair<char, int> > ans;

    auto op = [&](char a, int b){
        if (a == 'c'){
            if (b == 2){
                string bk = s[2].substr(0, 3);
                for(int i = 0; i < 3; i++){
                    s[2][i] = s[1][i];
                    s[1][i] = s[0][i];
                    s[0][i] = bk[i];
                }
            }
            else{
                string bk = s[0].substr(0, 3);
                for(int i = 0; i < 3; i++){
                    s[0][i] = s[1][i];
                    s[1][i] = s[2][i];
                    s[2][i] = bk[i];
                }
            }
        }
        else{
            rotate(s[mp[a]].begin(), s[mp[a]].begin() + (10 - b) % 10, s[mp[a]].end());
        }
        ans.push_back({a, b});
    };

    auto swp = [&](pair<int, int> a, pair<int, int> b){
        if (a.second != 0){
            op(c[a.first], 10 - a.second);
        }
        if (b.second != 3){
            op(c[b.first], (3 - b.second + 10) % 10);
        }
        if ((a.first + 1) % 3 == b.first){
            op('c', 2);
        }
        else{
            op('c', 1);
        }
        op(c[b.first], 9);
        if ((a.first + 1) % 3 == b.first){
            op('c', 1);
        }
        else{
            op('c', 2);
        }
    };

    auto solve = [&](){
        for(int i = 0; i < 3; i++){
            for(int j = 0; j < 10; j++){
                if (s[i][j] != c[i]){
                    for(int k = 0; k < 10; k++){
                        if (s[mp[s[i][j]]][k] != s[i][j]){
                            swp({i, j}, {mp[s[i][j]], k});
                            return;
                        }
                    }
                }
            }
        }
        assert(false);
    };

    while(s[0] != string(10, 'o') or s[1] != string(10, 'g') or s[2] != string(10, 'r')){
        solve();
    }
    cout << ans.size() << '\n';
    for(auto [a, b] : ans){
        cout << a << b << '\n';
    }

}