Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.2.5)
// ----

.top-level {
  .nested-again {
    .some-parent {
      color: balk;
      .somclass {
       margin: 0 auto;
       .sibling-element + & {
         margin: 0 40px;
       }
      }
    }
  }
}

SassMeister-output.css

.top-level .nested-again .some-parent {
  color: balk;
}

.top-level .nested-again .some-parent .somclass {
  margin: 0 auto;
}

.sibling-element + .top-level .nested-again .some-parent .somclass {
  margin: 0 40px;
}