---

echo "=== tasks.duckerz.ru 30000-30100 ==="
for p in $(seq 30000 30100); do
  timeout 1 bash -c "echo >/dev/tcp/tasks.duckerz.ru/$p" 2>/dev/null && echo "OPEN: $p"
done

echo "=== task.duckerz.ru 21000-21100 ==="
for p in $(seq 21000 21100); do
  timeout 1 bash -c "echo >/dev/tcp/task.duckerz.ru/$p" 2>/dev/null && echo "OPEN: $p"
done

echo "=== task.duckerz.ru 30000-30100 ==="
for p in $(seq 30000 30100); do
  timeout 1 bash -c "echo >/dev/tcp/task.duckerz.ru/$p" 2>/dev/null && echo "OPEN: $p"
done