#include <bits/stdc++.h>

using namespace std;

int score(char a, char b) { return a == 'O' || b == 'O'? a == b: a != b; }

char a[12][12];

int main() {
  cin.tie(0)->sync_with_stdio(0);
  int n, s0 = 0, s = 0; cin >> n;
  for (int i = 1; i <= n; ++i)
  for (int j = 1; j <= n; ++j) cin >> a[i][j];
  for (int i = 1; i <= n; ++i)
  for (int j = 1; j <= n; ++j) if (isupper(a[i][j]))
  for (++s; auto di: {0, 1})
  for (auto dj: {0, 1}) if ((di || dj) && isupper(a[i + di][j + dj])) s += score(a[i][j], a[i + di][j + dj]);
  cout << s << ' ';
  while (1) {
    int bi, bj, bs = 0;
    for (int i = 1; i <= n; ++i)
    for (int j = 1; j <= n; ++j) if (islower(a[i][j])) {
      int ds = 0;
      for (auto di: {-1, 0, 1})
      for (auto dj: {-1, 0, 1}) if (isupper(a[i + di][j + dj])) ds += score(a[i][j] ^ 32, a[i + di][j + dj]);
      if (ds > bs) bs = ds, bi = i, bj = j;
    }
    s += bs;
    if (bs) a[bi][bj] ^= 32, ++s;
    else break;
  }
  cout << s << '\n';
  for (int i = 1; i <= n; ++i, cout << '\n')
  for (int j = 1; j <= n; ++j) cout << a[i][j];
}