#include <bits/stdc++.h>
using namespace std;
char a[60][60];
int ch(int r, int c) {
  int i, j, f = 0;
  for (i = 0; i < c; i++) {
    if (a[0][i] == 'P') f = 1;
  }
  if (f == 0) return 0;
  f = 0;
  for (i = 0; i < c; i++) {
    if (a[r - 1][i] == 'P') f = 1;
  }
  if (f == 0) return 0;
  f = 0;
  for (i = 0; i < r; i++) {
    if (a[i][0] == 'P') f = 1;
  }
  if (f == 0) return 0;
  f = 0;
  for (i = 0; i < r; i++) {
    if (a[i][c - 1] == 'P') f = 1;
  }
  return f;
}
int chh(int r, int c) {
  int i, j, f = 0;
  for (i = 1; i < r - 1; i++) {
    f = 0;
    for (j = 0; j < c; j++) {
      if (a[i][j] == 'P') f = 1;
    }
    if (f == 0) return 0;
  }
  for (i = 1; i < c - 1; i++) {
    f = 0;
    for (j = 0; j < r; j++) {
      if (a[j][i] == 'P') f = 1;
    }
    if (f == 0) return 0;
  }
  return 1;
}
int al(int r, int c) {
  int i, j, f = 0;
  for (i = 0; i < r; i++) {
    for (j = 0; j < c; j++) {
      if (a[i][j] == 'P') return 1;
    }
  }
  return 0;
}
int main() {
  int t;
  cin >> t;
  while (t--) {
    int r, c, i, j, f = 0;
    cin >> r >> c;
    cin.ignore(256, '\n');
    for (i = 0; i < r; i++) {
      string s;
      getline(cin, s);
      for (j = 0; j < c; j++) a[i][j] = s[j];
    }
    for (i = 0; i < r; i++) {
      for (j = 0; j < c; j++) {
        if (a[i][j] == 'A') {
          f = 1;
          break;
        }
      }
    }
    if (f == 0) {
      cout << "MORTAL\n";
    } else if (al(r, c) == 0)
      cout << 0 << endl;
    else {
      if (ch(r, c) == 0)
        cout << 1 << endl;
      else if (a[0][0] == 'A' || a[0][c - 1] == 'A' || a[r - 1][0] == 'A' ||
               a[r - 1][c - 1] == 'A' || chh(r, c) == 0)
        cout << 2 << endl;
      else {
        f = 0;
        for (i = 1; i < c - 1; i++) {
          if (a[0][i] == 'A') f = 1;
          if (a[r - 1][i] == 'A') f = 1;
        }
        for (i = 1; i < r - 1; i++) {
          if (a[i][0] == 'A') f = 1;
          if (a[i][c - 1] == 'A') f = 1;
        }
        if (f == 1)
          cout << 3 << endl;
        else
          cout << 4 << endl;
      }
    }
  }
}
