#include<iostream>#include<algorithm>#include<fstream>using namespace std;#define N 1024struct node{int id,a,b;}s[N];bool cmp(node x,node y){if(x.id<y.id)return true;if(x.id==y.id && x.a<y.a)return true;if(x.id==y.id && x.a==y.a && x.b==y.b)return true;return false;//这个一定要写，不然一定会错误的。这里没有考虑清楚。}int main(){//fstream cin("d:\\test.txt");int t;cin>>t;while(t--){int n,i;cin>>n;for(i=0;i<n;++i){cin>>s[i].id>>s[i].a>>s[i].b;if(s[i].a<s[i].b){int temp=s[i].a;s[i].a=s[i].b;s[i].b=temp;}}sort(s,s+n,cmp);cout<<s[0].id<<" "<<s[0].a<<" "<<s[0].b<<endl;for(i=1;i<n;++i){if(s[i].id==s[i-1].id && s[i].a==s[i-1].a && s[i].b==s[i-1].b)continue;cout<<s[i].id<<" "<<s[i].a<<" "<<s[i].b<<endl;}}return 0;}
