$layouts: (
  (1, 1),
  (2, 2),
  (3, 6),
  (4, 5)
);

@each $layout in $layouts {
  $panel-group: nth($layout, 1);
  $panel-group-count: nth($layout, 2);

  @for $index from 1 through $panel-group-count {

    $icon-file-name: 'layout-#{$panel-group}-#{$index}';

    .scene-#{$icon-file-name} {
      @include size(150px, 110px);
      background: $color-reversed url('../../asset/icon/predefined-layout/#{$icon-file-name}.svg');
      background-size: cover;
    }
  }
}