--This file was prepared by Federico Galetto using Macaulay2. Contact the author at galetto.federico [(AT)] gmail.com for questions, comments or bug reports. A=QQ[x_112,x_113,x_114,x_115,x_123,x_124,x_125,x_134,x_135,x_145,x_212,x_213,x_214,x_215,x_223,x_224,x_225,x_234,x_235,x_245] I2=ideal(-x_123*x_212+x_112*x_223,-x_124*x_212+x_112*x_224,-x_124*x_223+x_123*x_224,-x_115*x_212+x_112*x_215,-x_115*x_223+x_123*x_215,-x_115*x_224+x_124*x_215,-x_135*x_212+x_112*x_235,-x_135*x_223+x_123*x_235,-x_135*x_224+x_124*x_235,-x_135*x_215+x_115*x_235,-x_113*x_212+x_112*x_213,x_123*x_213-x_113*x_223,x_124*x_213-x_113*x_224,x_115*x_213-x_113*x_215,x_135*x_213-x_113*x_235,-x_114*x_212+x_112*x_214,-x_114*x_223+x_123*x_214,x_124*x_214-x_114*x_224,x_115*x_214-x_114*x_215,x_135*x_214-x_114*x_235,-x_114*x_213+x_113*x_214,-x_134*x_212+x_112*x_234,-x_134*x_223+x_123*x_234,-x_134*x_224+x_124*x_234,x_115*x_234-x_134*x_215,x_135*x_234-x_134*x_235,-x_134*x_213+x_113*x_234,-x_134*x_214+x_114*x_234,-x_125*x_212+x_112*x_225,-x_125*x_223+x_123*x_225,-x_125*x_224+x_124*x_225,-x_125*x_215+x_115*x_225,x_135*x_225-x_125*x_235,-x_125*x_213+x_113*x_225,-x_125*x_214+x_114*x_225,-x_125*x_234+x_134*x_225,-x_145*x_212+x_112*x_245,-x_145*x_223+x_123*x_245,-x_145*x_224+x_124*x_245,-x_145*x_215+x_115*x_245,-x_145*x_235+x_135*x_245,-x_145*x_213+x_113*x_245,-x_145*x_214+x_114*x_245,-x_145*x_234+x_134*x_245,-x_145*x_225+x_125*x_245)