Norm1ToriHNP for GAP 4 See Norm1ToriHNP-2024.04.03.pdf or http://mathweb.sc.niigata-u.ac.jp/~hoshi/Algorithm/Norm1ToriHNP/Norm1ToriHNP-2024.04.03.pdf or https://www.math.kyoto-u.ac.jp/~yamasaki/Algorithm/Norm1ToriHNP/Norm1ToriHNP-2024.04.03.pdf See the following for further explanations: FlabbyResolutionFromBase.pdf or http://mathweb.sc.niigata-u.ac.jp/~hoshi/Algorithm/Norm1ToriHNP/FlabbyResolutionFromBase.html or https://www.math.kyoto-u.ac.jp/~yamasaki/Algorithm/Norm1ToriHNP/FlabbyResolutionFromBase.html HNP.pdf or http://mathweb.sc.niigata-u.ac.jp/~hoshi/Algorithm/Norm1ToriHNP/HNP.html or https://www.math.kyoto-u.ac.jp/~yamasaki/Algorithm/Norm1ToriHNP/HNP.html