Possible entries are e. g. (of course without '):

(1) Example 6 to 6

{'row}{'span6}Lorem ipsum ...{/span}{'span6}Lorem ipsum ...{/span}{/row}

(2) Example 4 to 8

{'row}{'span4}Lorem ipsum ...{/span}{'span8}Lorem ipsum ...{/span}{/row}

(3) Example 8 to 4

{'row}{'span8}Lorem ipsum ...{/span}{'span4}Lorem ipsum ...{/span}{/row}

(4) Example 4 to 4 to 4

{'row}{'span4}Lorem ipsum ...{/span}{'span4}Lorem ipsum ...{/span}{/row}{'span4}Lorem ipsum ...{/span}{/row}

{span4}Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet.{/span}{/row}

(5) Example Flex 6 to 8

{'row type="flex"}{'span6}Lorem ipsum ...{/span}{'span6}Lorem ipsum ...{/span}{/row}

(6) Example 6 to 6 with css class

{'row class="someClass" style="background:red;"}{'span6}Lorem ipsum ...{/span}{'span6}Lorem ipsum ...{/span}{/row}