#include<fstream>
#define dim 3509
using namespace std;
ifstream f("cutii.in");
ofstream g("cutii.out");
struct cutii
{
    int x,y,z;
};
cutii a[dim];
int n,t;
void sortare()
{
    int i,j;
    int aux1,aux2,aux3;
    for(i=1;i<n;i++)
    for(j=i;j<=n;j++)
     if(a[i].z>a[j].z)
     {
         aux1=a[i].x,a[i].x=a[j].x,a[j].x=aux1;
         aux2=a[i].y,a[i].y=a[j].y,a[j].y=aux2;
         aux3=a[i].z,a[i].z=a[j].z,a[j].z=aux3;
     }
}
int xx[dim],x[dim],stt;
void scmax()
{
    int st,dr,mij,s;
    xx[1]=1;
    s=1;
    for(int i=2;i<=n;i++)
    {
        st=1;
        dr=s;
        while(st<=dr)
        {
            mij=(st+dr)/2;
            if(a[i].y>a[x[mij]].y)
              st=mij+1;
            else
              dr=mij-1;
        }
        if(st>s)
         s++;
        xx[st]=i;
        stt=st;
    }
}
int nr;
void scmax2()
{
    int st,dr,mij,s;
    x[1]=xx[stt];
    s=1;
    for(int i=xx[stt-1];i<=xx[1];i++)
    {
        st=1;
        dr=s;
        while(st<=dr)
        {
            mij=(st+dr)/2;
            if(a[i].x>a[x[mij]].x)
              st=mij+1;
            else
              dr=mij-1;
        }
        if(st>s)
         s++;
        x[st]=i;
        nr=st;
    }
}
int main()
{
    int i,k;
    int x,y,z;
    f>>n>>t;
    for(k=1;k<=t;k++)
    {
        for(i=1;i<=n;i++)
        {
            f>>x>>y>>z;
            a[i].x=x;
            a[i].y=y;
            a[i].z=z;
        }
        scmax();
        scmax2();
    }
}