#include <fstream>
using namespace std;
ifstream in("pluton.in");
ofstream out("pluton.out");

int n, f[4005][10], k, v[4005][4005], x;
int main() {
    in >> n;
    for(int i = 1; i <= n; i++) {
        in >> x;
        int y = x;
        if(y == 0)
            f[0][0]++;
        while(y) {
            f[0][y%10]++;
            y /= 10;
        }

        bool ik = false;
        for(int j = 1; j <= k && !ik; j++) {
            bool ok = true;
            for(int p = 0; p <= 9 && ok; p++)
                if(f[j][p] != f[0][p])
                    ok = false;
            if(ok) {
                ik = true;
                v[j][++v[j][0]] = x;
            }
        }
        if(!ik) {
            k++;
            v[k][++v[k][0]] = x;
            for(int j = 0; j <= 9; j++)
                f[k][j] = f[0][j];
        }


        for(int j = 0; j <= 9; j++)
            f[0][j] = 0;
    }

    out << k << '\n';
    int mx = -1, cnt = 0;
    for(int i = 1; i <= k; i++)
        if(mx < v[i][0])
            mx = v[i][0], cnt = 1;
        else if(mx == v[i][0])
            cnt++;
    out << mx << '\n' << cnt << '\n';
    bool ik = false;
    for(int i = 1; i <= k && !ik; i++)
        if(mx == v[i][0]) {
            ik = true;
            for(int j = 1; j <= v[i][0]; j++)
                out << v[i][j] << " ";
        }

    in.close();
    out.close();
    return 0;
}