3 core from light = permanant live, switched live, neutral.
3 core to outside light same as above.
Fit one red from each 3 core into both common termials, and fit a red link between the two common terminals
Fit one yellow into the L1 terminal of the switch that the red from the same three core is connected to.
Do the same with the other yellow on the other switch.
Connect the two blues togeter in a piece of strip connector.
Make sure the earths are connected to the earth terminal in the switch box, and a link is fitted to the front plate if it is metal.
3 core to outside light same as above.
Fit one red from each 3 core into both common termials, and fit a red link between the two common terminals
Fit one yellow into the L1 terminal of the switch that the red from the same three core is connected to.
Do the same with the other yellow on the other switch.
Connect the two blues togeter in a piece of strip connector.
Make sure the earths are connected to the earth terminal in the switch box, and a link is fitted to the front plate if it is metal.