They "discovered" n.17 in the Malanga & Biondi's SAR doppler tomography model of the pyramid, visible at https://www.youtube.com/watch?v=0r67rS864WU https://www

They "discovered" n.17 in the Malanga & Biondi's SAR doppler tomography model of the pyramid, visible at https://www.youtube.com/watch?v=0r67rS864WU https://www.youtube.com/watch?v=0r67rS864WU and the paper is at https://www.mdpi.com/2072-4292/14/20/5231 https://www.mdpi.com/2072-4292/14/20/5231