
=RANDBETWEEN(4,30)

=IF(SUM(A$2:A$13)=200,A2,RANDBETWEEN(4,30))



=IF(C2="","",IF(D2="",NOW(),D2))



=RANDBETWEEN(4,30)
=IF(SUM(A$2:A$13)=200,A2,RANDBETWEEN(4,30))
=IF(C2="","",IF(D2="",NOW(),D2))
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