Multiplant Monopoly With Third Degree Price Discrimination I am trying to do an exercise with a Monopoly Firm with 2 production plants that supplies 3 different markets.

I know how to do every case (Multiplant monopoly or third degree price discrimination), but since this exercise combines both cases, I dont know how to solve it.

Can anyone tell me how to proceed? This are the costs for every plant, and the demand for each market, for clarification.
Hint.
The following are the necessary conditions for profit maximization:
Monopoly with 1 plant and 1 market: $MR = MC$
Monopoly with 1 plant and 2 markets: $MR_1=MR_2=MC$
Monopoly with 2 plants and 1 market: $MR = MC_1=MC_2$
I'll let you figure out the rest.