RewriteEngine on
RewriteRule ^content-([0-9]+)-([0-9]+)-([0-9]+).html index.php?m=content&c=index&a=show&catid=$1&id=$2&page=$3
RewriteRule ^show-([0-9]+)-([0-9]+)-([0-9]+).html index.php?m=content&c=index&a=show&catid=$1&id=$2&page=$3
RewriteRule ^list-([0-9]+)-([0-9]+).html index.php?m=content&c=index&a=lists&catid=$1&page=$2