About this 3D model

This puzzle consists in 12 pieces of 5 cubes and one more of 4 cubes. It's a variation of the Bedlam Cube, generated completly random in http://3dprintablepuzzles.com/paranoiacube/ The solution: http://bit.ly/paranoiacube This pieces does not correspond with the puzzle of the pictures, it's a similar puzzle, but another random generation .