.t509__row:nth-child(even) {
    flex-direction: row-reverse !important;
}


.t509__leftcol {
     margin-left: auto !important; 
}

.t509__rightcol, .t509__leftcol {
    margin-right: 0 !important;
    margin-left: 0 !important;
}

.t509__row_middle {
    justify-content: space-between;
}