#include<stdio.h>
int main(){
	int i[3500],j[3500],k[3500],n,t,q,s=0,max,e,r;
	freopen("cutii.in","r",stdin);
	freopen("cutii.out","w",stdout);
	scanf("%d%d",&n,&t);
	for(q=0;q<t;++q){
		s=0;
		max=0;
		for(r=0;r<n;++r){
			scanf("%d%d%d",&i[r],&j[r],&k[r]);
			for(e=0;e<r;++e)
				if(i[r]>i[e]&&j[r]>j[e]&&k[r]>k[e])
					s++;
			if(s>max)
				max=s;
		}
		printf("%d\n",max);
	}
	fclose(stdin);
	fclose(stdout);
	return  0;
}