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jpeg33,
you can use boolean variables (i.e. true/false ones) for each event/condition. After the first event you'd set the first variable to true and only if this variable is true the second event can set the second variable to true. If the second event occurs without the first variable being true, nothing happens. Similar for the third event, with the slight change that you'd reset variable one back to false in case the third event occurs with variable one being true, but variable two being false.
Regards,
ABCTG
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