index.php

<?php

function colorized($var)
{
    return "\e[0;30;42m$var\e[0m";
}

$firstRowIndex = 3;
$secondRowIndex = 2;

for ($i = 1; $i <= 64; $i++) {
    for ($j = 1; $j <= 3; $j++) {
        if ($j == $firstRowIndex ) {
            echo " $i ";
        } else {
            echo colorized(" $i ");
        }
        $i++;
    }

    $i++;
    echo " $i ";
    $firstRowIndex++;
    $firstRowIndex = $firstRowIndex == 4 ? 1 : $firstRowIndex;

    for ($k = 1; $k <= 3; $k++) {
        if ($k == $secondRowIndex ) {
            echo " $i ";
        } else {
            echo colorized(" $i ");
        }
        $i++;
    }
    echo " $i\n";
    
    $secondRowIndex++;
    $secondRowIndex = $secondRowIndex == 4 ? 1 : $secondRowIndex;
}

result.md