Most readable way to write left hand flowing towards higher notes

Question

I'm struggling to make a simple passage I've written look and feel 'comfortable'. The left hand is 'travelling' across the piano. Which of these are more readable? My instinct says to stick with the first, but the number of ledger lines is quite extreme... I could use some advice.
Also, is there another option I am not considering that would be better?

(I edited the third one following a suggestion from comments)

(Also, sorry that I realize now that this question may be somewhat opinion-based; though a general consensus is also an answer in my opinion)

In the end, I am going for the following solution, thanks for all answers/comments. They were all insightful.

Answer 1

• The first option is bad, because 6 leger lines above bass clef is too many.

• The forth option is also bad, because generally there shouldn't be an 8va above bass clef.

• The second option is fine, if you really want the hands to cross over.

• The third option is a bit problematic because the voices cross, and so the stems and rests are colliding. If you swap the voices over in the second bar it's much clearer to read:
  
  However, this looks like the top note is to be played with the right hand. If that isn't your intention you could move the rests out of the way, like this:
  ... but this is very confusing to read at a glance.
  So it is better to swap the voices over (flip the stems) and mark that top note with LH (or m.s. in Italian):
  

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In your comment you mention that you want the highest F to be common for both voices, so that will actually look a little different (though it should sound the same):

Answer 2

After reading your comments I feel like all your examples aren't really conveying what you are doing, including a "unison" for the F5, and if there is only rest for the final C5 D5, then technically there isn't any crossed hands.

This seems to be what you have described...

...and there is no reason to cross hands, not unless the C5 D5 is the beginning of some line that will be above the left hand. But even so, when you say "the left hands lets go of the F for the C-D notes", there actually won't be two hands to cross. It could be something like this...

Answer 3

I have looked carefully in all of your choices and for me the third one seemed to be the best. It looks more comfortable, and easier to read than the first one. All of them are good but in my opinion the third one is better than the rest.