Room 4 – Waalse Kerk

5 flags hang down on one wall, the opposite displays the following text:

Both sides equal, although the river makes you part.
We fought hard for you in all the corners of the land, the blood of your enemies fed the arid sand.
Now golden fields spread outwards from the banks and waterside,
Giving us hope for a future shining bright.

While looking at the walls, you hear the following beeping sound coming from above:

Use the following table to determine the next number code.

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