1 #include <algorithm>
2 #include <cstdio>
3 using namespace std;
4 typedef struct node {
5 int c,x,y;
6 } node;
7 node s[1010];
8
9 bool cmp(node a,node b)
10 {
11 if(a.c<b.c)
12 return 1;
13 else
14 {
15 if(a.c==b.c)
16 {
17 if(a.x<b.x)
18 return 1;
19 else
20 {
21 if(a.x==b.x)
22 {
23 if(a.y<b.y)
24 return 1;
25 else
26 return 0;
27
28 }
29 else
30 return 0;
31 }
32 }
33 else
34 return 0;
35 }
36 }
37
38
39 int main()
40 {
41 int n,m;
42 scanf("%d",&n);
43 while(n--)
44 {
45 scanf("%d",&m);
46 for(int i=0;i<m;i++)
47 {
48 scanf("%d%d%d",&s[i].c,&s[i].x,&s[i].y);
49 if(s[i].x<s[i].y)
50 swap(s[i].x,s[i].y);
51 }
52 sort(s,s+m,cmp);
53 printf("%d %d %d\n",s[0].c,s[0].x,s[0].y);
54 for(int i=1;i<m;i++)
55 {
56 if(s[i-1].c==s[i].c&&s[i-1].x==s[i].x&&s[i-1].y==s[i].y)
57 continue;
58 printf("%d %d %d\n",s[i].c,s[i].x,s[i].y);
59 }
60 }
61 return 0;
62 }
63