2D Array Nested Loop Output

What is printed as a result of executing the following code segment?

int [][] matrix = {{1, 1, 1}, {2, 2, 2}, {3, 3, 3}};
for (int i = 0; i < matrix.length; i++)
  for (int j = 0; j < matrix[i].length; j++)
     System.out.print(matrix[i][j] * 2 + " ");
System.out.print("\n");