1s-bitrix - how to display such an infoblock?

Question

1C-Bitrix

Good day!
I'm stretching the layout on Bitrix
There is such a block -
How to make just such an implementation, if the top and bottom were the same location - then it's understandable.
And so, when the first two have text on the left, the picture on the right, the next second on the right has text, pictures on the left.

Answer 1

check by index)

Answer 2

$idx = 1;
while(//тут условие){
if( $idx % 2 == 1) { /* выводим нечетные статьи*/
// тут верстка
}else{ /* выводим четные */
// тут верстка
}
$idx++;
}