#include <bits/stdc++.h> using namespace std; int main() { int l; cin>>l; int n = 6; int a[n]; for(int i = 0;i < l;i++) { for(int j = 0;j < n;j++) { cin>>a[j]; } sort(a,a + n); int b[n] = {0}; for(int k = 0;k < n;k++) { b[a[k]]++; } for(int h = 0;h < n;h++) { if(b[a[h]] == 1) { cout<<a[h]<<" "; } else { cout<<a[h]<<" "; h += b[a[h]] - 1; } } cout<<endl; } return 0; }