4
6
2

<div class="row">
    <div class="col-xs-4">
        <span>4</span>
    </div>
    <div class="col-xs-6">
        <span>6</span>
    </div>
    <div class="col-xs-2">
        <span>2</span>
    </div>
</div>
1
11
2
10
3
9
4
8
5
7
6
6
12