Constraints for these 2+1+1 activities (more restrictive)

[infoo_]

Hello

Following the previous question, I would like to know which constraints should be added to produce the following behaviour (in decreasing order):

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My attempt:

2+1+1 min days=1, 0%, non consecutive
2+first 1 min days=1, 100%
2+second 1 min days=1, 100%

Is it correct?

Thank you!!

[Liviu Lalescu]

I think yes, it is correct. If you prefer the first image, then the second, you might add same starting day <100% (say 75%) for 1+1 and two activities grouped <100% (say 50%) for 1+1.

[infoo_]

I think yes, it is correct. If you prefer the first image, then the second, you might add same starting day <100% (say 75%) for 1+1 and two activities grouped <100% (say 50%) for 1+1.

Thank you