16.Draw an S with Buttons

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>First Steps Into PHP</title>
</head>
<body>
<!--Write your PHP Script here-->
<?php
for($i = 1; $i<=9; $i++) {
    for($j = 1; $j <= 5; $j++) {
        if($i == 1 || $i == 5 || $i ==9 || ($i>=2 && $i<5 && $j == 1) || ($i>=6 && $i<9 && $j == 5)) {
            echo "<button style='background-color:blue'>1</button>";
        } else {
            echo "<button>0</button>";
        }
    }
    echo "<br>";
}
?>
</body>
</html>