This appears to be a healthy stool! It's a type 2 Bristol stool, very dark brown, slightly firm but with few lumps and slightly blurred edges. Keep up your diet and hydration!

This is a healthy brown stool, corresponding to Bristol type 3. It has a somewhat fragmented shape and moderate volume. Consider increasing fiber intake and staying hydrated.

This is a healthy brown, sausage-shaped stool, corresponding to Bristol Type 4. No particular abnormalities are observed, but if there are changes in the shape or thickness of your stool compared to usual, it is advisable to consult a specialist.