3 Four rectangular paper strips of length and width are overlapping perpendicularly in a square pattern such that each strip meets two other strips.
3 Apat na parihabang papel strips ng haba at lapad ay magkasanib-sanib paperpendikular sa isang parisukat na pattern tulad na alisin ng bawat isa ay nakakatugon sa dalawang iba pang mga strips.