WordPress gallery display broken

https://prntscr.com/5oz0v5 this is the gallery showcase.

and this is the code in the whole post

<img class=”aligncenter wp-image-245 size-full” src=”https://unacunatura.com/wp-content/uploads/2014/07/bratari.jpg&#8221; alt=”bratari” width=”591″ height=”148″ />

[gallery columns="2" link="none" size="medium" ids="474,277,278,280,426,416,421,89,203,425,272,285,275,198,263,202,270,226,195,262,200,197,282,194,264,201,193,196,284,286,281,273,283,276,274,199,269,261,271,265,266,267,268,335,279,472,205,204”]

post can be seen here https://unacunatura.com/o-multitudine-de-bratari/

Any guidance is welcomed, not sure what exactly makes those 4 images get such a display.