#include<iostream>#include<string>#include<sstream>using namespace std;int main(void){ int N; for( cin >> N, cin.ignore(); N > 0; N--) {cin.ignore(); int n;for( cin >> n, cin.ignore(); n > 0; n--){ string line, word; getline( cin, line); istringstream instr( line); while( instr >> word) {cout<< string( word.rbegin(), word.rend());if( ! instr.eof() ) cout<<" "; } cout<<endl;}if( N != 1) cout<<endl; } return 0;}
