#include <stdio.h> #include <bits/stdc++.h> using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf 1000000000 int main(){ int W,H,X; cin>>W>>H>>X; vector<string> ans(H,string(W,'0')); vector<vector<int>> t = { {1},{0},{0,1} }; if(X!=0){ int w = t[W%3].size(),h = t[H%3].size(); vector<int> cnt(h*w,0); rep(i,cnt.size()){ if(X<=9){ cnt[i] = X; X = 0; break; } else{ cnt[i] = 9; X -= 9; } } if(X!=0){ cout<<-1<<endl; return 0; } rep(i,H){ rep(j,W){ int y = -1,x = -1; rep(k,t[H%3].size()){ if(t[H%3][k]==i%3){ y = k; } } rep(k,t[W%3].size()){ if(t[W%3][k]==j%3){ x = k; } } if(y==-1||x==-1)continue; ans[i][j] = '0' + cnt[y*w+x]; } } } rep(i,H){ cout<<ans[i]<<endl; } return 0; }