#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;
#ifndef WAIMAI
#include "tickets.h"
#endif
#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif
#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second
#ifdef WAIMAI
void allocate_tickets( vector<vector<int>> _x);
#endif
const int SIZE = 1505;
int cnt[SIZE];
bool is[SIZE];
int L[SIZE], R[SIZE];
priority_queue<pair<int, int>> pq;
ll find_maximum(int k, vector<vector<int>> x) {
int n = x.size();
int m = x[0].size();
ll sum = 0;
vector<vector<int>> ans;
ans.resize(n, vector<int>(m, -1));
fill(cnt, cnt + n, k);
FOR (i, 0, n - 1) {
sum += accumulate(x[i].begin() + m - cnt[i], x[i].end(), 0ll);
pq.emplace(-x[i][0] - x[i][m - cnt[i]], i);
}
FOR (t, 1, n * k / 2) {
auto [delta, i] = pq.top();
pq.pop();
sum += delta;
cnt[i]--;
if (cnt[i] > 0) pq.emplace(-x[i][k - cnt[i]] - x[i][m - cnt[i]], i);
}
pq = {};
FOR (i, 0, n - 1) {
pq.emplace(cnt[i], i);
R[i] = m - 1;
}
FOR (t, 0, k - 1) {
fill(is, is + n, 0);
vector<pair<int, int>> vp;
FOR (i, 0, n / 2 - 1) {
auto [c, p] = pq.top();
pq.pop();
is[p] = 1;
ans[p][R[p]--] = t;
vp.pb(c - 1, p);
}
for (auto [c, i] : vp) pq.emplace(c, i);
FOR (i, 0, n - 1) if (!is[i]) ans[i][L[i]++] = t;
}
allocate_tickets(ans);
return sum;
}
/*
in1
2 3 2
0 2 5
1 1 3
out1
7
0 -1 1
-1 1 0
in2
4 2 1
5 9
1 4
3 6
2 7
out2
12
-1 0
0 -1
0 -1
-1 0
*/
#ifdef WAIMAI
static int n;
static int m;
static int k;
static vector<vector<int>> d;
static vector<vector<int>> x;
static int called = 0;
static void check(bool cond, string message) {
if (!cond) {
printf("%s\n", message.c_str());
exit(0);
}
}
void allocate_tickets( vector<vector<int>> _d) {
check(!called, "allocate_tickets called more than once");
d = _d;
check((int)d.size() == n, "allocate_tickets called with parameter of wrong size");
for (int i = 0; i < n; i++) {
check((int)d[i].size() == m, "allocate_tickets called with parameter of wrong size");
}
called = 1;
}
int main() {
assert(scanf("%d %d %d", &n, &m, &k) == 3);
x.resize(n);
for (int i = 0; i < n; i++) {
x[i].resize(m);
for (int j=0; j < m; j++) {
assert(scanf("%d", &x[i][j]) == 1);
}
}
fclose(stdin);
ll ans = find_maximum(k, x);
check(called, "failure to call allocate_tickets");
printf("%lld\n", ans);
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
if (j) printf(" ");
printf("%d", d[i][j]);
}
printf("\n");
}
fclose(stdout);
return 0;
}
#endif
