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  _  __    _____     _____     _____     _____   
 | |/ //  |  ___||  |__  //   |  ___||  /  ___|| 
 | ' //   | ||__      / //    | ||__   | // __   
 | . \\   | ||__     / //__   | ||__   | \\_\ || 
 |_|\_\\  |_____||  /_____||  |_____||  \____//  
 `-` --`  `-----`   `-----`   `-----`    `---`

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Text this: Quantum codes from skew constacyclic codes over the ring F<inf>q</inf>[u,v]∕〈u<sup>2</sup>−1,v<sup>2</sup>−1,uv−vu〉