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             ___      ______    ______    ______  
    ___     / _ \\   /_   _//  /_   _//  /_   _// 
   /   ||  | / \ ||    | ||     -| ||-   `-| |,-  
  | [] ||  | \_/ ||   _| ||     _| ||_     | ||   
   \__ ||   \___//   /__//     /_____//    |_||   
    -|_||   `---`    `--`      `-----`     `-`'   
     `-`

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Text this: Real equiangular lines in dimension 18 and the Jacobi identity for complementary subgraphs