Urgent! ! How to determine the triangle arbitrage route! ! ! Who can help me?

From new york and London, we can get EUR/GBP = 1.5873/ 1.6000.

Frankfurt EUR/GBP =1.7100/1.7150.

In the Frankfurt market, 1 GBP =11.7150 Euro.

In new york and London markets, 1 GBP =11.6 Euro.

It can be concluded that the prices in new york and London are higher, so it is concluded that the pound should be sold in one of these two markets.

Process: sell pounds and buy dollars in the London market.

Sell dollars and buy euros in new york market.

Sell euros and buy pounds in Frankfurt market.

Profit =100 w *1.715/1.6-100 w

Meanwhile, the spot exchange rates in the foreign exchange markets in London, Frankfurt and new york are as follows:

London USD/GBP 1.4300/ 1.4350

Frankfurt EUR/GBP 1.7 100

New york Euro/USD1.1100/1.150.