I'm with Squiddy.
http://www.asx.com.au/asx/statistics/displayAnnouncement.do?display=pdf&idsId=01100523
States 20c options after consolidation.
Appendix 3B after recommencement of trading of SFZ also states 20c options.
http://www.asx.com.au/asx/statistics/displayAnnouncement.do?display=pdf&idsId=01120390
It's gotta be a mistake on the recent 5B. Why would someone pay 22c for 40c options when heads were trading at 33c?