#include <iostream>
#include <algorithm>
#include <cstring>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <numeric>
#include <random>
#include <ctime>
#include <chrono>
#include <cassert>

typedef long long ll;
typedef double lf;

// #define DEBUG 1
struct IO
{
    #define MAXSIZE (1 << 20)
    #define isdigit(x) (x >= '0' && x <= '9')
    char buf[MAXSIZE], *p1, *p2;
    char pbuf[MAXSIZE], *pp;
    #if DEBUG
    #else
    IO() : p1(buf), p2(buf), pp(pbuf) {}
    ~IO() {fwrite(pbuf, 1, pp - pbuf, stdout);}
    #endif
    #define gc() (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, MAXSIZE, stdin), p1 == p2) ? ' ' : *p1++)
    #define blank(x) (x == ' ' || x == '\n' || x == '\r' || x == '\t')

    template <typename T>
    void Read(T &x)
    {
        #if DEBUG
        std::cin >> x;
        #else
        bool sign = 0; char ch = gc(); x = 0;
        for (; !isdigit(ch); ch = gc())
            if (ch == '-') sign = 1;
        for (; isdigit(ch); ch = gc()) x = x * 10 + (ch ^ 48);
        if (sign) x = -x;
        #endif
    }
    void Read(char *s)
    {
        #if DEBUG
        std::cin >> s;
        #else
        char ch = gc();
        for (; blank(ch); ch = gc());
        for (; !blank(ch); ch = gc()) *s++ = ch;
        *s = 0;
        #endif
    }
    void Read(char &c) {for (c = gc(); blank(c); c = gc());}

    void Push(const char &c)
    {
        #if DEBUG
        putchar(c);
        #else
        if (pp - pbuf == MAXSIZE) fwrite(pbuf, 1, MAXSIZE, stdout), pp = pbuf;
        *pp++ = c;
        #endif
    }
    template <typename T>
    void Write(T x)
    {
        if (x < 0) x = -x, Push('-');
        static T sta[35];
        int top = 0;
        do sta[top++] = x % 10, x /= 10; while (x);
        while (top) Push(sta[--top] ^ 48);
    }
    template <typename T>
    void Write(T x, char lst) {Write(x), Push(lst);}
} IO;
#define Read(x) IO.Read(x)
#define Write(x, y) IO.Write(x, y)
#define Put(x) IO.Push(x)

using namespace std;

const int MAXN = 510;

int n, m;
ll f[MAXN][MAXN], a[MAXN][MAXN], b[MAXN], tim[MAXN];
ll dx[MAXN], dy[MAXN];
int vis[MAXN][MAXN];
int id[MAXN], ans[MAXN];

int main()
{
    // freopen("I.in", "r", stdin);
    // freopen("I.out", "w", stdout);
    #if DEBUG
    #else
    ios::sync_with_stdio(0), cin.tie(0);
    #endif
    int T, Case = 0, oT;
    Read(T), oT = T;
    while (T--)
    {
    	Case++;
    	Read(n), Read(m);
        for (int i = 1; i <= m; i++) b[i] = tim[i] = 0;
    	for (int i = 1; i <= m; i++)
    		for (int j = 1; j <= n; j++)
    			Read(a[i][j]), b[i] += a[i][j];
    	// if (Case == 11 && oT == 46)
    	// {
    	// 	for (int i = 9; i <= m; i++, cout << '\n')
    	// 		for (int j = 1; j <= n; j++)
    	// 			cout << a[i][j] << ' ';
		// }
    	iota(id + 1, id + m + 1, 1);
		sort(id + 1, id + m + 1, [&](int u, int v) { return b[u] < b[v]; });
    	for (int i = 1; i <= m; i++)
        {
            tim[i] = b[id[i]];
    		for (int j = 1; j <= n; j++)
    			f[i][j] = a[id[i]][j];
        }
    	for (int i = 1; i <= m; i++)
    		for (int j = 1; j <= n; j++)
    			vis[i][j] = 0;
    	for (int i = 2; i <= m; i++) tim[i] -= tim[1];
    	tim[1] = 0;
        // for (int i = 1; i <= m; i++) cout << tim[i] << ' '; cout << "\n";
        // for (int i = 1; i <= m; i++, cout << "\n")
        //     for (int j = 1; j <= n; j++)
        //         cout << f[i][j] << ' ';
    	for (int _ = 1; _ <= n; _++)
    	{
    		ll x = -1, y;
    		for (int i = 2; i < m && x == -1; i++)
    			for (int j = 1; j <= n; j++)
    			{
    				if (vis[i][j] || vis[i + 1][j]) continue;
    				ll det = (f[i + 1][j] - f[i][j]) * tim[i] - (tim[i + 1] - tim[i]) * (f[i][j] - f[1][_]);
    				if (det == 0) { x = tim[i + 1], y = f[i + 1][j]; break; }
				}
			if (x == -1) dx[_] = x = tim[2], y = f[2][_], dy[_] = y - f[1][_];
			else dx[_] = x, dy[_] = y - f[1][_];
			for (int i = 1; i <= m; i++)
				for (int j = 1; j <= n; j++)
				{
					ll det = (f[i][j] - f[1][_]) * dx[_] - tim[i] * dy[_];
					if (det == 0) { vis[i][j] = _; continue; }
				}
            int cnt = 0;
            for (int i = 1; i <= m; i++)
                for (int j = 1; j <= n; j++)
                    cnt += (vis[i][j] == _);
            assert(cnt == m);
		}
        // for (int i = 1; i <= m; i++, cout << "\n")
        //     for (int j = 1; j <= n; j++)
        //         cout << vis[i][j] << ' ';
		// cout << "\n";
		// for (int i = 1; i <= n; i++) cout << dx[i] << ' ' << dy[i] << '\n';
		iota(id + 1, id + n + 1, 1);
		sort(id + 1, id + n + 1, [&](int u, int v) { ll det = dx[u] * dy[v] - dy[u] * dx[v]; return det == 0 ? u < v : det > 0; });
		for (int i = 1; i <= n; i++) ans[id[i]] = i;
		// if (oT == 46) continue;
		for (int i = 1; i <= n; i++) cout << ans[i] << ' '; cout << '\n';
	}
    return 0;
}