2♥-p-p-3♦;
p-6♦-all pass
+1; 89%. normal action would have been X by North and probably pass by south in absence of X by North.
question 1: Is X by north really very obvious? How would the auction progress?
question 2: Grand looks to be about 50% (yes bad trump break can spoil it, but OTOH East rates to have the ♦K), so it should probably not be "found" especially as there will be people @ MP with 5m.
HOWEVER, change the Q of ♦ to the K and it's a very good grand. how could it be found?

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