What would be the Ownership Management set up in Shared Entity Structure

Summary:

In a below Entity Structure scenario where B1 and B2 Entities have a shared parent where 90% is held by Parent A and remaining 10% is held by another Intermediary Parent C. At the Ultimate Parent ABCD, there should not be any Not Controlling Interest. What would be the set up in Ownership Management to achieve them

Ultimate Parent
ABCD
	A
		B1	90%
		B2	90%
		C
			B1_Shared	10%
			B2_Shared	10%

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