Fig. 4
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DESI Legacy Imaging Surveys DR9 grz composite images of the five Grade A candidates for which at least one galaxy cluster is located within 30 arcsec of the quasar group centre. Each image spans 70 arcsec × 70 arcsec. White circles indicate the quasar candidate images, while red and blue circles mark the positions of the BCG matched in WEN_CAT and ZOU_CAT, respectively.
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