#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ff first
#define ss second

int n, m;

char c[105][105];

bool is(int x, int y) {
    if(x < 1 || x > m || y < 1 || y > n) return 0;
    return c[x][y] == 'X';
}

vector<vector<pair<int, int> > > cur, pre;

int dx[] = {-1, 0, 1, 0};
int dy[] = {0, 1, 0, -1};



int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n>>m;

    pre.push_back(vector<pair<int, int> >());

    for(int i = 1; i <= m; ++i) {
        for(int j = 1; j <= n; ++j) {
            cin>>c[i][j];
            pre[0].push_back({i, j});
        }
    }
    ll sum = 0;
    int x = 0, y = 0;
    int dir = 0, dis = 1, lef = 1;
    int i;
    for(i = 0; ; i++) {
        for(auto& vec : pre) {
            vector<pair<int, int> > t0, t1;
            for(auto& p : vec) {
                if(is(p.ff + x, p.ss + y)) t1.push_back(p);
                else t0.push_back(p);
            }
            if(t0.size() > 1) cur.push_back(t0);
            else if(t0.size() == 1) sum += i;
            if(t1.size() > 1) cur.push_back(t1);
            else if(t1.size() == 1) sum += i;
        }

        if(cur.empty()) break;
        swap(cur, pre);
        cur.clear();

        x += dx[dir];
        y += dy[dir];
        if(--lef == 0) {
            dis += dir & 1;
            lef = dis;
            dir = (dir + 1) % 4;
        }
    }

    cout<<setprecision(6)<<sum * 1.0 / n / m<<'\n';
    cout<<i<<'\n';
    vector<pair<int, int> > all;
    for(auto& vec : pre) {
        for(auto& p : vec) {
            all.push_back(p);
        }
    }
    sort(all.begin(), all.end(), [](const pair<int, int>& lhs, const pair<int, int>& rhs){
        return lhs.ff == rhs.ff ? lhs.ff > rhs.ff : lhs.ss < rhs.ss;
    });
    for(auto& p : all)
        cout<<"("<<p.ss<<','<<m + 1 - p.ff<<") ";
}