Coil placement - 3 way crossover

Hi,

I have just finished designing my crossover for a three way speaker. Now I want to put the crossover in small box which is availble in the upper side of the midrange enclousre.
It´s dimensions are 30,5cm x 12,2cm x 9cm. There the complete crossover should be placed.
I have 7 coils in my crossover design. Two core coils for bass (red), one core coil and two air coils for midrange (blue) and two air coils for tweeter (green).
I have already read the article about placing coils from troels side:
http://www.troelsgravesen.dk/coils.htm

I am now struggeling placing all the coils in the small box without interacting each other (induction and crossover talk wise).
I have greated two suggestions (see attached pictures). Which one you would use?
Can you give me some suggestions what is the best placement?
 

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That's a lot of coil for a 3-way crossover. Sure you need all of that copper?

Keep the air coils away from each other. Think that Troels Gravesen wrote that too. Core coils don't mind that much, as long as you don't align the cores with only mm apart. There is some unused space on your board, I'd use that for the coils too.