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

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Text this: SKEW-SYMMETRIC MATRICES AND PFAFFIANS