UK 3 way switching help with

[Hamiti]

Hi all
In a bit of situation and need some advice
In middle landing i have a box with feed coming in then cable going to lamp both tween and earth then from same box 3 core and earth going to bottom landing another 3 core and earth going to other side of landing and from otherside of landing 3 core and earth to top landing , how can i make connection in middle landing for switching the light from all points thanks in advance

 

[Hamiti]

Hi all
Thanks for all responses
With your suggestion I've overcome somethig that was tricky and new even though I've been on trade for while, all connected, tested and certified and working as it should
Thanks again