Content before the spacer — used to verify surrounding content is not affected (VYRKCP66-178 QA).

Content after the spacer — used to verify surrounding content is not affected (VYRKCP66-178 QA).

Second section (zero-height spacer test)

Content before the second spacer (M0/T0/D0 — testing lower boundary).

Content after the second spacer — used to verify surrounding content is not affected (VYRKCP66-178 QA, M0/T0/D0).

Third section (maximum-height spacer test)

Content before the third spacer (M600/T600/D600 — testing upper boundary).

Content after the third spacer — used to verify surrounding content is not affected (VYRKCP66-178 QA, M600/T600/D600).