public static void matrixRotation(List<List<Integer>> matrix, int r){
  int n = matrix.size();
  int m = matrix.get(0).size();
  int min = Math.min(n, m);
  

  
for (int i=0;i< min/2; i++) {
    int round = r % ((n - 2 * i) * 2 + (m - 2 * i) * 2 - 4);
    int k=0;
    while(k<round){
    
    int first = i;
    //int last = Math.min(m - i - 1, n - i - 1);
    int lastN = n - i - 1;
    int lastM = m - i - 1;
    int temp = matrix.get(first).get(first);
    for (int j = first; j < lastM; j++) {
        matrix.get(first).set(j, matrix.get(first).get(j + 1));
    }
    for (int j = first; j < lastN; j++) {
        matrix.get(j).set(lastM, matrix.get(j + 1).get(lastM));
    }
    for (int j = lastM; j > first; j--) {
        matrix.get(lastN).set(j, matrix.get(lastN).get(j - 1));
    }
    for (int j = lastN; j > first; j--) {
        matrix.get(j).set(first, matrix.get(j - 1).get(first));
    }
    matrix.get(first + 1).set(first, temp);
    k++;
    }
}
    matrix.forEach(row -> {
            String rowString = row.stream()
                    .map(Object::toString)
                    .collect(Collectors.joining(" ")); 
            System.out.println(rowString);
        });

    }
    
}