What is the answer to level 78 or level 86 from logic box labyrinth?

Starting with the bottom block, go up one left one. Then with the middle block, go down 3 and right 3. With the upper block, go left one, down one, left one, up one, left one, down 2, left one, up 4, right 2, down one, right two, up one, right one, down 3, left 1, down 1, left one, down 2 right one, up one, right one.