FYI I have created ROW and COL wikiplugin aliases on this site so you can use now:
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{ROW()} {COL()}Column 1{COL} {COL()}Column 2{COL} {ROW}
Or:
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{ROW(class="row no-gutters")} {COL(class="col")}Column 1{COL} {COL(class="col-sm-6 col-md-8 text-right")}Column 2 (content aligned right){COL} {ROW}