I can read & write text in any orientation I choose with both hands. My left is slightly neater than my right, but both are messy. I don't do it very often, so it's not totally smooth, but I'm sure if I practiced regularly, it would be more fluent.
The toughest thing is writing two different words with both hands at the same time, that's because vocabulary is normally stored only on one side of the brain. The same word with both hands at the same time is a lot easier.
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Your Aspie score: 172 of 200
Your neurotypical (non-autistic) score: 35 of 200
You are very likely an Aspie
Diagnosed in 2005