    1      0      1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Y.00      1      1      0      0      0      0      0      0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Y.10      0      0      1      1      0      0      0      0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Y.01      0      0      0      0      1      1      0      0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Y.11      0      0      0      0      0      0      1      1<