#include "chameleon.h"
#include <vector>
using namespace std;
void Solve(int N) {
bool cnt[2*N+1]={0};
vector<pair<int, int>> ans;
/*std::vector<int> p(3);
p[0] = 1;
p[1] = 2;
p[2] = 3;
variable_example = Query(p);
for (int i = 0; i < N; ++i) {
Answer(i * 2 + 1, i * 2 + 2);
}*/
for(int i=1; i<=2*N; i++){
if(cnt[i]) continue;
for(int j=i+1; j<=2*N; j++){
vector<int> q(2);
q[0]=i; q[1]=j;
int s=Query(q);
if(s==1){
cnt[i]=true;
cnt[j]=true;
ans.push_back({i, j});
break;
}
}
}
for(int i=0; i<N; i++){
Answer(ans[i].first, ans[i].second);
}
}
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