span class="r-pr">#&gt;</span> [111] "VE_09"      "QA_10"      "VA_10"      "QC_10"      "VC_10"     </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [116] "QE_10"      "VE_10"      "QA_11"      "VA_11"      "QC_11"     </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [121] "VC_11"      "QE_11"      "VE_11"      "QA_12"      "VA_12"     </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [126] "QC_12"      "VC_12"      "QE_12"      "VE_12"      "LakeFract" </span>
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