Tried one basic idea which was very effective... Attacking the counter side.
Basically when sparring an orthodox it is the jab that is the main issue. The idea is to attack the left side of your opponent to encourage them to use their left hand to defensively rather than offensively.
So we used 2 combos the 1,1,2 aiming the jabs to the left side of opponent to make them block (reverse parry) with their left. And the 2,3/5 this works of course because the 2 is blocked with the left hand.
Guess we could try a 3,2 but this is not exploiting the same idea... We would be taking the shot with full cover. Which is more similar to another idea which was very effective, "counter guard". Applying pressure with full cover and countering ON the attack not after it with a 12.