alias safe2 bset -t &a 1 $1 | return $!regsubex(safe, $bvar(&a,1-) ,/(\d+)(?: |$)/g,$chr(\1))
and then use :
//var %s Ga-isGa-$me | .timerGa $$iif($numtok(%s,45) >= 2,$v1) 3 scid $cid msg $active $safe2( $!gettok( %s ,$calc( $v1 - $!timer(Ga).reps),45))