Input (grade 10): Exceptions include overtime during the regular season and when a team is shorthanded (i.e. has been assessed a penalty), in which two defencemen are typically joined by only two forwards and a goaltender.
Output (grade 9): Exceptions include overtime and when a team is shorthanded (ie. has been assessed a penalty), in which two defencemen are typically joined by only two forwards and a goaltender.