/rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="va">i</span><span class="op"><a href="https://rdrr.io/r/base/Arithmetic.html" class="external-link">%%</a></span><span class="fl">2</span>,<span class="op">(</span><span class="va">i</span><span class="op">+</span><span class="fl">1</span><span class="op">)</span><span class="op"><a href="https://rdrr.io/r/base/Arithmetic.html" class="external-link">%%</a></span><span class="fl">2</span><span class="op">)</span>,