Prolog1"⬆️⬇️⬅️⬇️⬅️⬅️⬇️⬅️⬇️⬇️⬇️⬅️⬇️⬅️⬇️⬅️➡️⬅️⬆️⬇️⬅️⬇️ ⬅️⬇️⬅️⬇️⬅️⬇️⬅️➡️⬅️⬇️⬅️➡️⬅️➡️⬅️➡️⬅️⬅️➡️➡️⬅️⬅️➡️⬅️➡️⬅️➡️⬅️➡️⬅️➡️️