What I have.
Old switch running landing & hallway lights
Bottom : 1 x blue, 1 x red, 1 x yellow (in com port)
Top : 1 x yellow (in com port), black & blue together, 2 x reds together
3 x earths
New Triple 2 Way switch layout is
Top : L1 L2 L1 L2 L1 L2
Bottom : COM COM...