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  _____      ___      ____     __   __            
 |__  //    / _ \\   |  _ \\   \ \\/ //     ___   
   / //    | / \ ||  | |_| ||   \ ` //     /   || 
  / //__   | \_/ ||  | .  //     | ||     | [] || 
 /_____||   \___//   |_|\_\\     |_||      \__ || 
 `-----`    `---`    `-` --`     `-`'       -|_|| 
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Text this: Defining relations of invariants of two 3 × 3 matrices