[another cricket]

Is seat number 666 vacant because there is only one man who can fill it

Maybe. Or it may be like buildings not having a thirteenth floor. If it is then it is. If it is not then it is not. Either way all will work out as planed.

a.cricket

[It's me]

Or it may be like buildings not having a thirteenth floor.

Oh for heaven's sake! YES buildings DO have 13th floors! They are just not numbered 13.