When a buyer buy tokens or any order from seller which is present in the list of seller order list, `TokenDivider::buyOrder` function updated that list as shown below.

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As this updation happens it will update the list incorrectly so that the orders in the list will become in diffrent order from starting.

the orders in the list will become in diffrent order from starting will lead to buy wrong order by buyer.

Explaination:

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1. Seller's order list -> `[[price = 100],[price = 150],[price = 200],[price = 160]]`

2. Buyer buy `1st` index order.

3. Updated list of sellers order -> `[[price = 100],[price = 160],[price = 200]]`

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If only price taken from the order list of seller, then the updated list will be shown above. Due to this incorrect updation user or buyer will pay for wrong order.