op">}</span><span class="fst"> 0 0 1 </span><span class="op">{</span><span class="nam">x0</span> <span class="op">+</span> <span class="nam">tile_size</span> <span class="op">-</span> <span class="nam">r</span><span class="op">}</span><span class="fst">,</span><span class="op">{</span><span class="nam">y0</span> <span class="op">+</span> <span class="nam">tile_size</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
    <p class="pln"><s