อยากจะแบ่งเพจโดยแต่ละหน้าแสดง 3 แถว 3 คอลัมถ์ทำยังไงคะ

<?php
 
  $objConnect = mysql_connect("localhost","root","") or die("Error Connect to Database");
  $objDB = mysql_select_db("deethaworn");
  $strSQL = "SELECT * FROM product";
  $objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]"); 
  $Num_Rows = mysql_num_rows($objQuery);

    $Per_Page = 4;   // Per Page
    $Page = isset($_GET['Page']) ? $_GET['Page'] : 1;

    $Prev_Page = $Page-1;
    $Next_Page = $Page+1;

    $Page_Start = (($Per_Page*$Page)-$Per_Page);
    if($Num_Rows<=$Per_Page)
    {
      $Num_Pages =1;
    }
    else if(($Num_Rows % $Per_Page)==0)
    {
      $Num_Pages =($Num_Rows/$Per_Page) ;
    }
    else
    {
      $Num_Pages =($Num_Rows/$Per_Page)+1;
      $Num_Pages = (int)$Num_Pages;
    }

    $strSQL .=" order  by id_product DESC LIMIT $Page_Start , $Per_Page";
    $objQuery  = mysql_query($strSQL);


  
?>