Layout#2 Primary and Tertiary are reversed

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@site_width: 960px;
@secondary_width: 300px;
@tertiary_width: 150px;

#page,
#container {
width: @site_width;
}

#wrapper {
float: left;
width: 100%;
}

#primary {
margin-left: @secondary_width;
margin-right: @tertiary_width;
}

#secondary {
float: left;
width: @tertiary_width;
margin-left: 0 - @tertiary_width;
}

#tertiary {
float: left;
width: @secondary_width;
margin-left: 0 - @site_width;
}