@php
//define left and right exam-center arrays
$leftCenters = [3, 5, 9, 10, 11, 12, 14, 15, 20];
$rightCenters = [1, 2, 4, 6, 7, 13, 16, 17, 18, 19];
@endphp
@if(in_array($examcenter_id, $leftCenters))
 }})
@elseif(in_array($examcenter_id, $rightCenters))
@endif