Mine

RewriteEngine on
RewriteCond %{HTTP_HOST} ^www.myrl.net$ [NC]
RewriteRule ^(.*) http://myrl.net/$1 [R=301]
RewriteRule ^ice$ http://myrl.net/index.php?t=ice
RewriteRule ^ice/$ http://myrl.net/index.php?t=ice
RewriteRule ^default$ http://myrl.net/index.php?t=default
RewriteRule ^default/$ http://myrl.net/index.php?t=default
RewriteRule ^wap-www$ http://myrl.net/index.php?p=wap
RewriteRule ^wap-www/$ http://myrl.net/index.php?p=wap
RewriteRule ^article/([0-9/]+)$ http://myrl.net/index.php?p=doarticle&id=$1&t=default
RewriteRule ^(.*)/article/([0-9/]+)$ http://myrl.net/index.php?p=doarticle&id=$2&t=$1
RewriteRule ^user/([a-zA-Z0-9/]+)/([-a-zA-Z0-9/]+)$ http://myrl.net/index.php?p=douser&i=$1&a=$2&t=default
RewriteRule ^(.*)/user/([a-zA-Z0-9/]+)/([-a-zA-Z0-9/]+)$ http://myrl.net/index.php?p=douser&i=$2&a=$3&t=$1
RewriteRule ^user/([a-zA-Z0-9/]+)$ http://myrl.net/index.php?p=douser&i=$1&t=default
RewriteRule ^(.*)/user/([a-zA-Z0-9/]+)$ http://myrl.net/index.php?p=douser&i=$2&t=$1
RewriteRule ^cat/([0-9/]+)$ http://myrl.net/index.php?p=docat&i=$1&t=default
RewriteRule ^(.*)/cat/([0-9/]+)$ http://myrl.net/index.php?p=docat&i=$2&t=$1
RewriteRule ^group/([0-9/]+)$ http://myrl.net/index.php?p=dogroup&i=$1&t=default
RewriteRule ^(.*)/group/([0-9/]+)$ http://myrl.net/index.php?p=dogroup&i=$2&t=$1