2 gang light switch 8 wires not a clue

[shazz27]

i have a switch upstairs that controls the bathroom and upstairs light , it got knocked when decorating so put the wires back , but now the bathroom light turns on with the landing light and the part of the switch just makes them dim for a second ,

the switch is an old tenby on l l1 l l1
2 2

there is 2 black brown sleeved 1 grey sleeved brown and 5 browns plus a bridge connection
who knows what i have done
i know stupid

 

[EddieM]

i have a switch upstairs that controls the bathroom and upstairs light , it got knocked when decorating so put the wires back , but now the bathroom light turns on with the landing light and the part of the switch just makes them dim for a second ,

the switch is an old tenby on l l1 l l1
2 2

there is 3 black brown sleeved 1 grey sleeved brown and 5 browns plus a bridge connection
who knows what i have done
i know stupid

A picture would be useful.

 

[Taylortwocities]

Electrician you need.