I haven't solved many, and they're mostly AOs. Surely some of you can put my list to shame.

90: The Flower Scent Murder Case
196: The Invisible Weapon
260:The Shaking Restaurant
274/275: The Truth About the Haunted House
331/332: The Suspicious Spicy Curry
335/336: Secret of the Touto Film-Making Centre
343/344: The Convenience Store Trap
368: The Candy House the Witch Lives In
392: The Mysterious Height Difference of 20cm
433: Conan--A Strange Child
441: Final "Aah"
466/467: The Unbreakable Snowman
513/514: Coffee Aroma With Murderous Intent
524/525: Blue Spark of Hate
568/569: Inspector Shiratori, Memories of the Sakura

















