#include<bits/stdc++.h>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
   int n,m,t;
   cin>>n>>m>>t;
   int *a=new int [n*m];
   int b[100000],k=0;
   int pos[300][300]={0};
   for(int i=0;i<n*m;i++){
        cin>>a[i];
        if(a[i]!=0){
            b[k]=a[i];
            k++;
        }
   }
   stable_sort(b,b+k);
   if(t+1<k){
        cout<<"Wrong Board";
        return 0;
   }
   int x1=-1,y1=-1;
   for(int i=0;i<k;i++){
        int pos1=(find(a,a+n*k,b[i])-a);
        int y=(pos1/m),x=(pos1%m);
        if(i>0){
            if((abs(x1-x)!=abs(y1-y))&& (x1!=x) && (y1!=y)){
                cout<<"Wrong Board";
                return 0;
            }
            else{
                pos[y][x]=(i+1);
            }
        }
         pos[y][x]=(i+1);
        y1=y,x1=x;
   }
   for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cout<<pos[i][j]<<" ";
        }
        cout<<endl;
   }
   return 0;
}