#include <bits/stdc++.h>
//#include <atcoder/all>
using namespace std;
//using namespace atcoder;
//using mint = modint1000000007;
//const int mod = 1000000007;
//using mint = modint998244353;
//const int mod = 998244353;
//const int INF = 1e9;
//const long long LINF = 1e18;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep2(i,l,r)for(int i=(l);i<(r);++i)
#define rrep(i, n) for (int i = (n-1); i >= 0; --i)
#define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i)
#define all(x) (x).begin(),(x).end()
#define allR(x) (x).rbegin(),(x).rend()
#define endl "\n"
#define P pair<int,int>
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
vector<int>to[200005];
/*
	returnされるvectorのサイズが頂点数と一致してなかったらdagではない。
*/
vector<int>topological_sort(int v) {
	vector<int>h(v);
	rep(i, v) for (auto e : to[i]) ++h[e];
	stack<int>st;
	vector<int>ans;
	rep(i, v) if (h[i] == 0) st.push(i);
	while (!st.empty()) {
		int v = st.top(); st.pop();
		ans.push_back(v);
		for (auto u : to[v]) {
			--h[u];
			if (h[u] == 0) st.push(u);
		}
	}
	return ans;
}
int trans(int x, int y, int w) {
	return x * w + y;
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int h, w; cin >> h >> w;
	vector<int>a(h), b(w);
	rep(i, h)cin >> a[i];
	rep(i, w)cin >> b[i];
	sort(all(a));
	sort(all(b));
	rep(i, h)rep(j, w) {
		if (i != h - 1) {
			if (i < h - b[j]) {
				to[trans(i + 1, j, w)].push_back(trans(i + 0, j, w));
			}
			else {
				to[trans(i + 0, j, w)].push_back(trans(i + 1, j, w));
			}
		}
		if (j != w - 1) {
			if (j < w - a[i]) {
				to[trans(i + 0, j + 1, w)].push_back(trans(i + 0, j + 0, w));
			}
			else {
				to[trans(i + 0, j + 0, w)].push_back(trans(i + 0, j + 1, w));
			}
		}
	}
	auto top = topological_sort(h * w);
	vector ans(h, vector<int>(w));
	rep(i, top.size()) {
		ans[top[i] / w][top[i] % w] = i + 1;
	}
	rep(i, h) {
		rep(j, w) cout << ans[i][j] << " ";
		cout << endl;
	}
	return 0;
}