diff --git a/src/test/testOrderBook.java b/src/test/testOrderBook.java
index 063dff6..6bb0e26 100644
--- a/src/test/testOrderBook.java
+++ b/src/test/testOrderBook.java
@@ -9,163 +9,107 @@ class testOrderBook {
 
 	@Test
 	void placeOneAsk() {
-		// Init and checking start conditions
+		// Check default cond
 		OrderBook testSubject = new OrderBook();
 		assertEquals(0, testSubject.asks.size());
 		assertEquals(0, testSubject.bids.size());
 		assertEquals(-1f, testSubject.bestAskPrice);
 		assertEquals(-1f, testSubject.bestBidPrice);
 		assertEquals(0f, testSubject.sittingVolume);
-		// Operation
-		Order newAsk = new Order(10.2f, 1.5f, Side.ASK, 1677539237L);
+		// Append singular ask
+		Order newAsk = new Order(30f, 3f, Side.ASK, 0L);
 		testSubject.placeOrder(newAsk);
-		// Checking Operation
+		// Verify modified values
 		assertEquals(1, testSubject.asks.size());
 		assertEquals(0, testSubject.bids.size());
-		assertEquals(10.2f, testSubject.asks.getFirst().price);
-		assertEquals(1.5f, testSubject.asks.getFirst().size);
-		assertEquals(1677539237L, testSubject.asks.getFirst().createdTs);
-		assertEquals(10.2f, testSubject.bestAskPrice);
+		assertEquals(30f, testSubject.asks.getFirst().price);
+		assertEquals(3f, testSubject.asks.getFirst().size);
+		assertEquals(0L, testSubject.asks.getFirst().createdTs);
+		assertEquals(30f, testSubject.bestAskPrice);
 		assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
-		assertEquals(1.5f, testSubject.sittingVolume);
+		assertEquals(3f, testSubject.sittingVolume);
 	}
 
 	@Test
-	void placeOneAskTwo() {
-		// Init and checking start conditions
+	void placeTwoAsk() {
+		// Init default OrderBook (no reason to check default cond)
 		OrderBook testSubject = new OrderBook();
-		assertEquals(0, testSubject.asks.size());
-		assertEquals(0, testSubject.bids.size());
-		assertEquals(-1f, testSubject.bestAskPrice);
-		assertEquals(-1f, testSubject.bestBidPrice);
-		assertEquals(0f, testSubject.sittingVolume);
-		//Operation
-		Order newAsk = new Order(5.3f, 0.3f, Side.ASK, 1677599362L);
+		// Append (first) ask
+		Order newAsk = new Order(30f, 3f, Side.ASK, 0L);
 		testSubject.placeOrder(newAsk);
-		//Checking Operation
+		// Verify modified values
 		assertEquals(1, testSubject.asks.size());
 		assertEquals(0, testSubject.bids.size());
-		assertEquals(5.3f, testSubject.asks.getFirst().price);
-		assertEquals(0.3f, testSubject.asks.getFirst().size);
-		assertEquals(1677599362L, testSubject.asks.getFirst().createdTs);
-		assertEquals(5.3f, testSubject.bestAskPrice);
-		assertEquals(-1f, testSubject.bestBidPrice);
-		assertEquals(0.3f, testSubject.sittingVolume);
+		assertEquals(30f, testSubject.asks.getFirst().price);
+		assertEquals(3f, testSubject.asks.getFirst().size);
+		assertEquals(0L, testSubject.asks.getFirst().createdTs);
+		assertEquals(30f, testSubject.bestAskPrice);
+		assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
+		assertEquals(3f, testSubject.sittingVolume);
+		// Append (second) ask
+		Order newAsk2 = new Order(92.f, 2.f, Side.ASK, 1L);
+		testSubject.placeOrder(newAsk2);
+		// Verify modified values
+		assertEquals(2, testSubject.asks.size());
+		assertEquals(0, testSubject.bids.size());
+		assertEquals(30f, testSubject.asks.getFirst().price);
+		assertEquals(3f, testSubject.asks.getFirst().size);
+		assertEquals(0L, testSubject.asks.getFirst().createdTs);
+		assertEquals(30f, testSubject.bestAskPrice);
+		assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
+		assertEquals(5f, testSubject.sittingVolume);
 	}
 
 	@Test
 	void placeOneBid() {
-		// Init and checking start conditions
+		// Init default OrderBook (no reason to check default cond)
 		OrderBook testSubject = new OrderBook();
-		assertEquals(0, testSubject.asks.size());
-		assertEquals(0, testSubject.bids.size());
-		assertEquals(-1f, testSubject.bestAskPrice);
-		assertEquals(-1f, testSubject.bestBidPrice);
-		assertEquals(0f, testSubject.sittingVolume);
-		// Operation
-		Order newAsk = new Order(3.39f, 0.25f, Side.BID, 1677541289L);
-		testSubject.placeOrder(newAsk);
-		// Checking Operation
+		// Append singular bid
+		Order newBid = new Order(5f, 0.25f, Side.BID, 0L);
+		testSubject.placeOrder(newBid);
+		// Verify modified values
 		assertEquals(0, testSubject.asks.size());
 		assertEquals(1, testSubject.bids.size());
-		assertEquals(3.39f, testSubject.bids.getFirst().price);
+		assertEquals(5f, testSubject.bids.getFirst().price);
 		assertEquals(0.25f, testSubject.bids.getFirst().size);
-		assertEquals(1677541289L, testSubject.bids.getFirst().createdTs);
+		assertEquals(0L, testSubject.bids.getFirst().createdTs);
 		assertEquals(-1f, testSubject.bestAskPrice); // Should be unaffected
-		assertEquals(3.39f, testSubject.bestBidPrice);
+		assertEquals(5f, testSubject.bestBidPrice);
 		assertEquals(0.25f, testSubject.sittingVolume);
 	}
 
-	@Test
-	void placeOneBidTwo() {
-		// Init and checking start conditions
-		OrderBook testSubject = new OrderBook();
-		assertEquals(0, testSubject.asks.size());
-		assertEquals(0, testSubject.bids.size());
-		assertEquals(-1f, testSubject.bestAskPrice);
-		assertEquals(-1f, testSubject.bestBidPrice);
-		assertEquals(0f, testSubject.sittingVolume);
-		//Operation
-		Order newBid = new Order(5.3f, 0.3f, Side.BID, 1677598183L);
-		testSubject.placeOrder(newBid);
-		//Checking Operation
-		assertEquals(0, testSubject.asks.size());
-		assertEquals(1, testSubject.bids.size());
-		assertEquals(5.3f, testSubject.bids.getFirst().price);
-		assertEquals(0.3f, testSubject.bids.getFirst().size);
-		assertEquals(1677598183L, testSubject.bids.getFirst().createdTs);
-		assertEquals(-1f, testSubject.bestAskPrice);
-		assertEquals(5.3f, testSubject.bestBidPrice);
-		assertEquals(0.3f, testSubject.sittingVolume);
-	}
-
 	@Test
 	void placeOneAskAndBid() {
-		// Init and checking start conditions
+		// Init default OrderBook (no reason to check default cond)
 		OrderBook testSubject = new OrderBook();
 		assertEquals(0, testSubject.asks.size());
 		assertEquals(0, testSubject.bids.size());
 		assertEquals(-1f, testSubject.bestAskPrice);
 		assertEquals(-1f, testSubject.bestBidPrice);
 		assertEquals(0f, testSubject.sittingVolume);
-		// Operation
-		Order newAsk = new Order(10.2f, 1.5f, Side.ASK, 1677539237L);
+		// Append singular ask
+		Order newAsk = new Order(5f, 1.5f, Side.ASK, 0L);
 		testSubject.placeOrder(newAsk);
-		// Checking Operation
+		// Verify modified values
 		assertEquals(1, testSubject.asks.size());
 		assertEquals(0, testSubject.bids.size());
-		assertEquals(10.2f, testSubject.asks.getFirst().price);
+		assertEquals(5f, testSubject.asks.getFirst().price);
 		assertEquals(1.5f, testSubject.asks.getFirst().size);
-		assertEquals(1677539237L, testSubject.asks.getFirst().createdTs);
-		assertEquals(10.2f, testSubject.bestAskPrice);
+		assertEquals(0L, testSubject.asks.getFirst().createdTs);
+		assertEquals(5f, testSubject.bestAskPrice);
 		assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
 		assertEquals(1.5f, testSubject.sittingVolume);
-		//Operation
-		Order newBid = new Order(5.3f, 0.3f, Side.BID, 1677598183L);
+		// Append singular bid
+		Order newBid = new Order(92f, 0.25f, Side.BID, 10L);
 		testSubject.placeOrder(newBid);
-		//Checking Operation
+		// Verify modified values
 		assertEquals(1, testSubject.asks.size());
 		assertEquals(1, testSubject.bids.size());
-		assertEquals(5.3f, testSubject.bids.getFirst().price);
-		assertEquals(0.3f, testSubject.bids.getFirst().size);
-		assertEquals(1677598183L, testSubject.bids.getFirst().createdTs);
-		assertEquals(10.2f, testSubject.bestAskPrice);
-		assertEquals(5.3f, testSubject.bestBidPrice);
-		assertEquals(1.8f, testSubject.sittingVolume);
-	}
-
-	@Test
-	void placeTwoAsk() {
-		// Init and checking start conditions
-		OrderBook testSubject = new OrderBook();
-		assertEquals(0, testSubject.asks.size());
-		assertEquals(0, testSubject.bids.size());
-		assertEquals(-1f, testSubject.bestAskPrice);
-		assertEquals(-1f, testSubject.bestBidPrice);
-		assertEquals(0f, testSubject.sittingVolume);
-		// Operation
-		Order newAsk = new Order(10.2f, 1.5f, Side.ASK, 1677539237L);
-		testSubject.placeOrder(newAsk);
-		// Checking Operation
-		assertEquals(1, testSubject.asks.size());
-		assertEquals(0, testSubject.bids.size());
-		assertEquals(10.2f, testSubject.asks.getFirst().price);
-		assertEquals(1.5f, testSubject.asks.getFirst().size);
-		assertEquals(1677539237L, testSubject.asks.getFirst().createdTs);
-		assertEquals(10.2f, testSubject.bestAskPrice);
-		assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
-		assertEquals(1.5f, testSubject.sittingVolume);
-		//Operation
-		Order newAskOne = new Order(5.3f, 0.3f, Side.ASK, 1677598183L);
-		testSubject.placeOrder(newAskOne);
-		//Checking Operation
-		assertEquals(2, testSubject.asks.size());
-		assertEquals(0, testSubject.bids.size());
-		assertEquals(5.3f, testSubject.asks.getFirst().price);
-		assertEquals(0.3f, testSubject.asks.getFirst().size);
-		assertEquals(1677598183L, testSubject.asks.getFirst().createdTs);
-		assertEquals(5.3f, testSubject.bestAskPrice);
-		assertEquals(-1f, testSubject.bestBidPrice);
-		assertEquals(1.8f, testSubject.sittingVolume);
+		assertEquals(92f, testSubject.bids.getFirst().price);
+		assertEquals(0.25f, testSubject.bids.getFirst().size);
+		assertEquals(10L, testSubject.bids.getFirst().createdTs);
+		assertEquals(5f, testSubject.bestAskPrice);
+		assertEquals(92f, testSubject.bestBidPrice);
+		assertEquals(1.75f, testSubject.sittingVolume);
 	}
 }