#include //#include //#include //#include #define rep(i, a) for (int i = (int)0; i < (int)a; ++i) #define rrep(i, a) for (int i = (int)a - 1; i >= 0; --i) #define REP(i, a, b) for (int i = (int)a; i < (int)b; ++i) #define RREP(i, a, b) for (int i = (int)a - 1; i >= b; --i) #define repl(i, a) for (ll i = (ll)0; i < (ll)a; ++i) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define popcount __builtin_popcount #define fi first #define se second using ll = long long; constexpr ll mod = 1e9 + 7; constexpr ll mod_998244353 = 998244353; constexpr ll INF = 1LL << 60; // #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") //using lll=boost::multiprecision::cpp_int; //using Double=boost::multiprecision::number>;//仮数部が1024桁 template inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template T mypow(T x, T n, const T &p = -1) { //x^nをmodで割った余り if (p != -1) { x %= p; } T ret = 1; while (n > 0) { if (n & 1) { if (p != -1) ret = (ret * x) % p; else ret *= x; } if (p != -1) x = (x * x) % p; else x *= x; n >>= 1; } return ret; } using namespace std; //using namespace atcoder; void solve() { int w,h,x; cin>>w>>h>>x; auto write=[](const vector> &a)->void{ int h=a.size(),w=a[0].size(); rep(i,h){ rep(j,w)cout<>ans(h,vector(w)); if(!x){ write(ans); } else if(h%3==0||w%3==0){ if(x>18)cout<<-1<<"\n"; else if(x<=9&&h%3>=1||w%3>=1){ for(int i=0;i=1)ans[i+1][j]=x; else ans[i][j+1]=x; } } write(ans); }else if(x<=18&&h%3==2||w%3==2){ for(int i=0;i=2)ans[i+1][j]=x/2,ans[i+1][j+1]=x-x/2; else ans[i][j+1]=x/2,ans[i+1][j+1]=x-x/2; } } }else{ cout<<-1<<"\n"; } }else if(x>36){ cout<<-1<<"\n"; }else if(x>18){ if(h%3==2&&w%3==2){ for(int i=0;i9){ if(h%3==2){ for(int i=0;i