first_name,last_name,index,mode
Patryk,Drzewiński,452790,1
Adam,Skowronek,452791,1
Mariia,Kuzmenko,452792,1
Dominik,Cupał,452793,1
Natalia,Wasik,452794,0
Michalina,Gaj,452795,0
Jan,Kowalski,452796,0
Adrian,Kowalski,452797,1