Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to construct an inexpensive shelter [title] Build two parallel four foot fences, thirty feet long. [step] They need to have a distance of 13' 6 " between the outside of the walls. In addition, make sure that they are exactly opposite each other so if there was an enclosure between each end, it would form a perfect rectangle.

Ending1: The third step is to make sure that the two foundations are arranged so that each corner receives a lump. , you want the other two walls closest to each other to have a smaller lump for stability. Ending2: This means that the distance between diagonal opposite ends should be the same (32'11 "). [title] Find the four end posts that will create the imaginary rectangle. Ending3: If there are other small structures, like stalls and aquariums, these should be positioned at various distances apart. [title] Build the second wall to create a square two foot tall divided into two smaller sections consisting of corrugated lumber called " plywood. Ending4: [title] Choose a staircase and three floor posts placed along the left and right sides of the two small four foot strips. [step] Form a roof track on the end in between the posts.

Answer format: ending1/ending2/ending3/ending4