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#include <bits/stdc++.h>
#define log printf #define EPS 1e-8 #define INF 0x3f3f3f3f #define FOR(i, l, r) for (int(i) = (l); (i) <= (r); ++(i)) #define IOS \ ios::sync_with_stdio(false); \ cin.tie(nullptr); \ cout.tie(nullptr);
using namespace std;
typedef __int128 i128; typedef long long ll; typedef pair<int, int> PII;
int k, n; string s; map<string, int> members;
template <typename T>
inline T read() { T sum = 0, fl = 1; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') fl = -1; for (; isdigit(ch); ch = getchar()) sum = sum * 10 + ch - '0'; return sum * fl; }
template <typename T>
inline void write(T x) { if (x < 0) putchar('-'), x = -x; static T sta[35]; int top = 0; do { sta[top++] = x % 10, x /= 10; } while (x); while (top) putchar(sta[--top] + 48); }
int main() { IOS cin >> k >> n; FOR(i, 0, n - 1) cin >> s, members[s] = i; vector<vector<char>> ans(n, vector<char>(n, '?')); FOR(i, 0, n - 1) ans[i][i] = 'B'; FOR(i, 0, k - 1) { vector<string> pub(n); FOR(j, 0, n - 1) cin >> pub[j]; FOR(j, 0, n - 1) { bool flag = true; FOR(l, j + 1, n - 1) { if (pub[l - 1].compare(pub[l]) > 0) flag = false; if (!flag) { int a = members[pub[j]], b = members[pub[l]]; ans[a][b] = '0'; ans[b][a] = '1'; } } } } FOR(i, 0, n - 1) { FOR(j, 0, n - 1) cout << ans[i][j]; cout << endl; } return 0; }
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