Problem with condition with @async threads?

General Usage
1

I want to synchronize between threads by using notify&wait as in the example MWE, in which nthreads()=3. Each thread executes for-loop and while-loop inside it. It is similar to what mentioned in Can the threads synchronized by channel?, but with different way of synchronization primitives.

In the MWE, I want to let the threads execute in order:
1- All enter the while-loop together. By using condition_main so thread-1 synchronize with 2&3.
2- At each iteration of the while-loop, thread-1 sets status = true and notify other threads to inter the while-loop. In each iteration of the while-loop, the first thread executes Block-1 and notify other threads to print their statements via condition_main, and wait until they finish by using condition_threads to move to the following iteration of the while-loop.
3- When status = false, all threads move to the following iteration of the for-loop.
Please note, I dont need to use sleep function to avoid killing the performance.

function NN()
  condition_main    = Condition()
  condition_threads = [Condition() for _ in 1:nthreads()-1]
  status = true
  @threads for _ in 1:nthreads()
      if threadid() == 1
        @async begin
          for t in 1:2
            iter = 0
            status   = true
            notify(condition_main)
              while status
                # Start Block-1
                println("Iteration $t Thread $(threadid()) Update status")
                iter += 1
                if iter == 2
                  status = false
                end
                # Block-1
                notify(condition_main)
                wait.(condition_threads)
              end # while status
          end # for t in 1:2
        end # @async begin
      else # if threadid() == 1
        @async begin
          for tt in 1:2
            wait(condition_main)
                while status
                  wait(condition_main)
                  println("Iteration $tt Thread $(threadid()) Execution")
                  notify(condition_threads[threadid()-1])
                end #while status
          end # for t in 1:2
        end #@async begin
      end # if threadid() == 1
  end # @threads for _ in 1:nthreads()
  return nothing
end
NN()

I expect the results to show as below:

Iteration 1 Thread 1 Update status
Iteration 1 Thread 2 Execution
Iteration 1 Thread 3 Execution
Iteration 1 Thread 1 Update status
Iteration 1 Thread 2 Execution
Iteration 1 Thread 3 Execution

Iteration 2 Thread 1 Update status
Iteration 2 Thread 2 Execution
Iteration 2 Thread 3 Execution
Iteration 2 Thread 1 Update status
Iteration 2 Thread 2 Execution
Iteration 2 Thread 3 Execution

However, I am having only as below because it is freezes. Any help please?

Iteration 1 Thread 1 Update status