Geometry Puzzle: Ceva's Theorem, 48 Piece Classic. HTML5 canvas for iPad and touch Devices

Solve the puzzle about Ceva's Theorem proof. Click and drag with your mouse or finger to move the pieces. (The puzzle requires HTML5 canvas element enable browser.)

Ceva's Theorem. A theorem relating the way three concurrent cevians (AD, BE, CF) of a triangle ABC divide the triangle's three sides.