#include <iostream>
    #include <vector>
    #include <algorithm>
    using namespace std;
    void show(const vector<int>& Data)
    {
        for (size_t k = 0; k < Data.size(); ++k)
        {
            cout << Data[i] << ' ';
        }
        cout << endl;
    }
    int main()
    {
        vector<int> Data;
        Data.push_back(2);
        Data.push_back(6);
        Data.push_back(6);
        sort(Data.begin(), Data.end());
        show(Data);
        while(next_permutation(Data.begin(), Data.end()))
            show(Data);
        return 0;
    }