#include <bits/stdc++.h>
using namespace std;
#define N 1000010
#define sz(s) s.size()
#define db double
#define mod 1000000007
#define P 998244353
#define ll long long
#define fi first
#define se second
#define pb push_back
#define mk make_pair
#define per(i,l,r) for(ll i=l;i>=r;i--)
#define rep(i,l,r) for(ll i=l;i<=r;i++)
#define in insert
#define y1 y142857
//pair<ll,ll> PII;
//unordered_map<int,int> f;
vector<int>edges[N];
//set<int>c;
int huiwen(int x){int b[100],l=0,t=x;while(t!=0){b[++l]=t%10;t/=10;}for(int i=1,j=l;i<=j;i++,j--)if(b[i]!=b[j])return 0;return 1;}
int prime(int x){for(int i=2;i*i<=x;i++)if(x%i==0)return 0;return 1;} 
inline int gcd(int a,int b){if(a<b)gcd(b,a);if(!b)return a; return gcd(b,a%b);} 
inline int lcm(int a,int b){return a*b/gcd(a,b);}
inline int read(){
    int x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){
        if(ch=='-')f=-1;
        ch=getchar();
    }
    while(ch>='0'&&ch<='9')x=x*10+ch-'0',ch=getchar();
    return x*f;
}
inline void pri(int x){
    if(x==1)putchar(' ');
    if(x==2)putchar('\n');
}
inline void put(int x){
    if(x==1)puts("Yes");
    if(x==2)puts("No");
    if(x==3)puts("YES");
    if(x==4)puts("NO");
    if(x==5)puts("yes");
    if(x==6)puts("no");
}
inline void write(ll x,ll w,ll e){
    if(x<0)putchar('-'),x=-x;
    if(x>9)write(x/10,w,e);
    putchar(x%10+'0');
    if(x==e){
        if(w==1)putchar(' ');
        if(w==2)putchar('\n');
    }
    return;
}
//time: O( )
 //memory: ()kb
 int n,m;
ll b[55],ma=-1,mi=P*1LL*3000,a[55][55],c[3500],k,l;
void sovel(){
    cin>>n>>m>>k;
    rep(i,1,n)
        rep(j,1,m)cin>>a[i][j];
    while(k--){
        rep(i,1,n)b[i]=0;
		l=0;
        rep(i,1,3495)c[i]=0;
		ma=-1,mi=P*1LL*3000;
        rep(j,1,m)
            rep(i,1,n)
                b[j]+=a[i][j];
        rep(i,1,m){
        	if(ma<b[i])ma=b[i];
        	if(mi>b[i])mi=b[i];
		}
        rep(i,1,m)
            if(b[i]==ma||b[i]==mi)
				rep(j,1,n)
					c[++l]=a[j][i],a[j][i]=0;
		for(ll i=1;i<=l-1;i++){
			ll mu=i;
			for(ll j=i+1;j<=l;j++)
				if(c[j]<c[mu])
					mu=j;
			swap(c[i],c[mu]); 
		}
        rep(i,1,n)
            if(i%2){
                rep(j,1,m)
                    if(!a[i][j])
                        a[i][j]=c[l--];
			}
            else{
                per(j,m,1)
                    if(!a[i][j])
                        a[i][j]=c[l--];
			}
    }
    rep(i,1,n){
        rep(j,1,m)
            cout<<a[i][j]<<' ';
        cout<<"\n";
    }
}
int main(){
    int _=1;
    while(_--)sovel();
}
//https://www.luogu.com.cn/user/annual-report