#include <set>
#include <map>
#include <stack>
#include <queue>
#include <cmath>
#include <vector>
#include <string>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <iostream>
#include <algorithm>

#define MAX(a,b) ((a)>=(b)?(a):(b))
#define MIN(a,b) ((a)<=(b)?(a):(b))
#define OO 0x0fffffff
using namespace std;
const int N = 128;
bool tag[N][N][N];
int father[N*N*N];
int ids[N][N][N];
int xs[100100],ys[100100],zs[100100];
int maxx,maxy,maxz;
int minx,miny,minz;
const int dir[6][3] = {{0,0,1},{0,0,-1},{0,1,0},{0,-1,0},{1,0,0},{-1,0,0}};
bool judge(int x,int y,int z){
    if(z==0) return false;
    if(x<minx) return false;
    if(x>maxx) return false;
    if(y<miny) return false;
    if(y>maxy) return false;
    if(z<minz) return false;
    if(z>maxz) return false;
    return true;
}
int find(int id){
    int fid = father[id];
    if(fid==id) return fid;
    return (father[id]=find(fid));
}
void merge(int a,int b){
    int fa = find(a);
    int fb = find(b);
    if(fa==fb) return ;
    father[fb] = fa;
}


int main(){
    int n,t;
    for(int i=0;i<103;i++) for(int j=0;j<103;j++) for(int k=0;k<103;k++){
        ids[i][j][k] = i*10404+j*102+k;
    }
    for(scanf("%d",&t);t--;){
        cin>>n;
        memset(tag,false,sizeof(tag));
        bool flag = true;
        maxx=maxy=maxz=-OO;
        minx=miny=minz=OO;
        for(int i=0;i<n;i++){
            scanf("%d%d%d",xs+i,ys+i,zs+i);
            maxx=MAX(maxx,xs[i]);maxy=MAX(maxy,ys[i]);maxz=MAX(maxz,zs[i]);
            minx=MIN(minx,xs[i]);miny=MIN(miny,ys[i]);minz=MIN(minz,zs[i]);

            if(tag[xs[i]][ys[i]][zs[i]]) flag = false;
            else if(zs[i]==1){
                tag[xs[i]][ys[i]][zs[i]] = true;
            }
            else{
                for(int d=0;d<6;d++){
                    int tx = xs[i]+dir[d][0];
                    int ty = ys[i]+dir[d][1];
                    int tz = zs[i]+dir[d][2];
                    if(tag[tx][ty][tz]){
                        tag[xs[i]][ys[i]][zs[i]] = true;
                        break;
                    }
                }
                if(!tag[xs[i]][ys[i]][zs[i]]) flag = false;
            }
        }
        if(!flag) puts("No");
        else{
            minx--;miny--;minz--;
            maxx++;maxy++;maxz++;
            for(int id=ids[minx][miny][minz];id<=ids[maxx][maxy][maxz];id++) father[id] = id;
            for(int i=minx;i<=maxx;i++)
            for(int j=miny;j<=maxy;j++)
            for(int k=minz;k<=maxz;k++){
                if((k!=0)&&(!tag[i][j][k])){
                    for(int d=0;d<6;d++){
                        int ti = i+dir[d][0];
                        int tj = j+dir[d][1];
                        int tk = k+dir[d][2];
                        if(judge(ti,tj,tk)&&(!tag[ti][tj][tk])){
                            merge(ids[i][j][k],ids[ti][tj][tk]);
                        }
                    }
                }
            }

            int ancestor = ids[maxx][maxy][maxz];
            for(int i=n-1;i>=0;i--){
                if(!flag) break;
                int curId = ids[xs[i]][ys[i]][zs[i]];
                for(int d=0;d<6;d++){
                     int tx = xs[i]+dir[d][0];
                     int ty = ys[i]+dir[d][1];
                     int tz = zs[i]+dir[d][2];
                     if(judge(tx,ty,tz)&&(!tag[tx][ty][tz])){
                        merge(curId,ids[tx][ty][tz]);
                     }
                }
                if(find(curId)!=find(ancestor)){
                    flag = false;
                }
                else{
                    tag[xs[i]][ys[i]][zs[i]]=false;
                }
            }
            if(!flag) puts("No");
            else puts("Yes");
        }
    }
    return 0;
}