Please make sure the headings in the report are consistent and formatted correctly.

In the tournament final, the two players faced each other head to head, and the match was decided by a single point.

The two teams agreed to a head-to-head match to settle the championship.

The negotiators met head-to-head to resolve the dispute.

A headful packaging mechanism produces virions whose capsids are filled to capacity with phage DNA.

After the storm, the beach was littered with headfuls of seaweed and driftwood.

After the lecture, Clara walked away with a headful of ideas she couldn't wait to try.

The crew stood in line at the heads before we set sail at dawn.

The head on collision damaged both cars beyond repair.

They faced the problem head on instead of avoiding it.