Meaning that you place them much higher than I do.

So, if you are correct, then Rand probably broke through a shield that is what, 40+40+40=120 in strength?

Or even if you go lower, and it is 30+30+30=90, that still means that Rand was roughly equal in strength to the combined strength of the 3 sisters who were shielding him. Right?

So how is this possible, if a much weaker channeler can keep a stronger channeler shielded, if the victim is already cut off from the Source?

Your argument is that Rand was able to do this because it is more difficult to shield someone of the opposite sex.

Now that's fine, as long as you hold the same argument if the roles are reversed, and it is now a man trying to hold a woman shielded. Again, it should be more difficult for the man to keep them shielded since they are of the opposite sex.

So, if Rand was at 80 when he shielded Egwene and Elayne, and Egwene was at 60 with Elayne at 30, then the two women combined were actually STRONGER than his total strength when he shielded them.

And he was holding both shields at the same time to boot.

And this despite the fact that they are of the opposite sex, and therefore more difficult for him to shield.

So, to summarize, Rand - of strength 90 in LoC, is able to break a shield that exceeds his own strength, but Egwene and Elayne are not able to break shields that clearly have to be weaker than their own combined strength in tSR. This despite Rand holding multiple weaves simultaneously -which would further sap his strength.

For example, let's say Rand at strength 80 is able to weave two shields of 40 and 30 strength respectively. One for Egwene and one for Elayne.

Now, that would mean that Egwene cannot break through Rand's shield of 40, despite being of strength 60 herself at the time, but Rand was able to break through a shield of 90-120 in LoC, despite it matching or exceeding his own strength.

Clearly, Rand's strength advantage is greater than you think it is.