#include<stdio.h>#include<cmath>#include<string.h>#include<algorithm>#include<iostream>using namespace std;struct Tile{int x1,y1;int x2,y2;int s;}p[101];int main(){int n,i,j,k;int t1,t2,t3;int a,b,sum,m,c1,c2,t;while(scanf("%d",&n)!=EOF){ while(n--) { t1=t2=t3=0;sum=0; scanf("%d%d",&a,&b); scanf("%d",&m); t=(a>b? a:b); for(i=0;i<m;i++) { scanf("%d%d%d%d",&p[i].x1,&p[i].y1,&p[i].x2,&p[i].y2); c1=abs(p[i].x1-p[i].x2);c2=abs(p[i].y1-p[i].y2); p[i].s=c1*c2; sum+=p[i].s; if(p[i].x1<0||p[i].x2<0||p[i].y1 <0||p[i].y2 <0) t2=1; if(p[i].x1>t||p[i].x2>t||p[i].y1>t||p[i].y2>t) t2=1; } if(sum<a*b) t3=1; for(i=0;i<m;i++) { if(t1)break; for(j=i+1;j<m;j++) { if((p[j].x1>=p[i].x2)||(p[j].x2<=p[i].x1)||(p[j].y1>=p[i].y2)||(p[j].y2<=p[i].y1)) continue; else { t1=1; break; } } }if(t1) printf("NONDISJOINTn");else if(t2) printf("NONCONTAINEDn");else if(t3) printf("NONCOVERINGn");elseprintf("OKn"); }}return 0;}
