#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
struct Fraction {
ll a;
ll b;
Fraction(ll a, ll b) : a(a), b(b) {
}
};
ld getld(Fraction fr) {
return (ld)fr.a / (ld)fr.b;
}
bool operator < (Fraction First, Fraction Second) {
return (ld)First.a / First.b < (ld)Second.a / Second.b;
}
Fraction operator + (Fraction First, ll Second) {
return Fraction(First.a + Second * First.b, First.b);
}
Fraction operator + (ll Second, Fraction First) {
return Fraction(First.a + Second * First.b, First.b);
}
Fraction operator - (Fraction First, ll Second) {
return Fraction(First.a - Second * First.b, First.b);
}
Fraction operator - (ll Second, Fraction First) {
return Fraction(-First.a + Second * First.b, First.b);
}
Fraction operator * (Fraction First, ll Second) {
return Fraction(First.a * Second, First.b);
}
Fraction operator * (ll Second, Fraction First) {
return Fraction(First.a * Second, First.b);
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
int People, n;
cin >> People >> n;
vector<vector<int>> a(People, vector<int>(n));
vector<vector<Fraction>> splitPoint(People, vector<Fraction>(People, Fraction(0, 1)));
for (int i = 0; i < People; i++) {
for (int j = 0; j < n; j++) {
cin >> a[i][j];
}
}
for (int Person = 0; Person < People; Person++) {
ll totalSum = 0;
for (auto& x : a[Person]) {
totalSum += x;
}
int done = 0;
ll currentSum = 0;
Fraction din(0, 1);
for (int j = 0; j < People; j++) {
Fraction want((j + 1) * totalSum, People);
while (Fraction(currentSum + a[Person][done], 1) < want) {
currentSum += a[Person][done++];
din = Fraction(0, 1);
}
Fraction dif = want - currentSum;
Fraction x(dif.a, dif.b * a[Person][done]);
splitPoint[Person][j] = done + x;
din = x;
}
}
vector<bool> valid(People, 1);
vector<int> guys;
for (int ch = 0; ch < People; ch++) {
int sol = -1;
for (int i = 0; i < People; i++) {
if (valid[i]) {
if (sol == -1) {
sol = i;
}
else {
if (splitPoint[i][ch] < splitPoint[sol][ch]) {
sol = i;
}
}
}
}
valid[sol] = 0;
if (ch != People - 1) {
cout << splitPoint[sol][ch].a << " " << splitPoint[sol][ch].b << "\n";
}
guys.push_back(sol);
}
cout << "\n";
for (auto& Guy : guys) {
cout << Guy + 1 << " ";
}
cout << "\n";
}
