What is the correct Sunnah sequence of limbs to be placed on the ground when descending into prostration (Sujud)?

The Sunnah Acts of Prayer Part 2: Recitation and Movement Sunnahs

• Hands first, then knees, then face.
• Knees first, then hands, then face.
• Face first, then hands, then knees.
• All limbs is Sunnah to be placed simultaneously.