Can profits from trading on two horses be dutched on top 3 favourites?

Hi, I usually trade on the top two favourites on horse racing and then green up across the board so that the profits or losses are spread on each horse. I was wondering if I can dutch the profits/losses across the top 3 horses so that the green up profit should be higher than if I greened up across the board. Not asking for a trigger yet, just seeing if it is possible.

Hi
I think the principle of unequal green up in this trigger could be modified for a few selections:
https://marketfeeder.co.uk/learn/triggers/greenup-unequal-profit/