Flatten version of a circuit shows different (DC) simulation result

I am simulating a circuit similar to the one shown below.
The right circuit is the flatten version of the left circuit.
I was expecting the same result because those two circuit should be equivalent.
The values shown are the current.
I use Spectre (R) Circuit Simulator Version 19.1.0.541.isr14 64bit and Virtuoso 6.1.8

I have checked everything that I can think of.
am I missing something?



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