@if(!empty($letterInfo->copy_to))
@php
$items = array_values(array_filter(array_map('trim', explode('^', $letterInfo->copy_to))));
$chunks = array_chunk($items, 3); // هر ستون ۳ گیرنده
@endphp
@foreach($chunks as $colIndex => $chunk)
@foreach($chunk as $rowIndex => $copyTo)
{{ ($colIndex * 3) + $rowIndex + 1 }}. {{ $copyTo }}
@endforeach
@endforeach
@endif