Untitled

#include <iostream>
#define N 505

using namespace std;
int n,m;
int a[N][N];
int cnt;
int stx,sty,fx,fy;
bool ans;
int hx[]={0,-1,0,1};
int hy[]={-1,0,1,0};
int dd[N][N];
int sx[N];
int sy[N];
int dau,cuoi;
bool bfs(int x,int y)
{
	 dau=1;
	 cuoi=0;
	 
	 //cout<<x<<" "<<y<<" "<<a[x][y]<<"\n";
	 //if(a[x][y]==1)
	 {
	sx[++cuoi]=x;
	sy[cuoi]=y;
	 }
	while(dau<=cuoi)
	{
		int u=sx[dau];
		int v=sy[dau];
		dau++;
		for(int i=0;i<4;i++)
		{
			int xx=u+hx[i];
			int yy=v+hy[i];
			if(xx>0&&xx<=n&&yy>0&&yy<=m)
				{
					if(xx==fx&&yy==fy)
					{
						if(a[xx][yy]==0)return true;else 
							{
								a[xx][yy]=0;
								sx[++cuoi]=xx;
								sy[cuoi]=yy;
						}
					}else
					if(a[xx][yy]==1&&dd[xx][yy]==0)
			{
				dd[xx][yy]=1;
				sx[++cuoi]=xx;
				sy[cuoi]=yy;
			}
			}

		}
	}
	return false;
}

void doc()
{
	ans=true;
	cnt=0;
	cin>>n>>m;
	cin>>stx>>sty>>fx>>fy;
	stx++;
	sty++;
	fx++;
	fy++;
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			{
				cin>>a[i][j]; 
				dd[i][j]=0;
				
		}
		
			ans=bfs(stx,sty);
			
		
		if(ans)cout<<"YES\n";else cout<<"NO\n";
}
int TC;
int main()
{
	//freopen("input.txt","r",stdin);
	
	cin>>TC;
	for(int tc=1;tc<=TC;tc++)
	{
		//cout<<TC<<"\n";
		doc();
	}
	
		return 0;
}