>>32
あかんやろ
図の対角線の長さは全部1
https://sagecell.sagemath.org/?z=eJxVkDELgzAQhXfB_3C0S6RntR0LWbsXuolDjKdIg5FEQf99E1Nb-yDk8r17F5Ij2FGYOKqpWSs2J7c4AqcFOAipLfNrTtJLdk2CI5xT5OgJlAFVHoHteteJ8Etsvtz5kK7F4hrzza__8mkYcNoNoHDnjhgaJ9MzgHD0GrRaWt2zH_EqBFYosUYq8d9pOqX4XShLSHVLUitt-KFSQr4OKGay_Gkm-mY-z3dbHD34-ltDl11yBx7nQemRJW-xX08t&;lang=sage&interacts=eJyLjgUAARUAuQ==