#include using namespace std; int main() { int t; cin>>t; while(t--) { int n,m; cin>>m>>n; vectortype(n); vectorsrc(n),dest(n); int i,j; for(i=0;i>type[i]; for(i=0;i>src[i]; for(i=0;i>dest[i]; vector counte(m,0),countd(m,0),countc(m,0),countm(m,0); for(i=0;i=i && count_ec==i) { flag1=1; break; } } for(j=0;j=i && count_md==i) { flag2=1; break; } } if(flag1==1||flag2==1) cout<