18 noiseSimValid = cms.Sequence(trackerHitsValidation+trackerDigisValidation+trackerRecHitsValidation+ecalSimHitsValidationSequence+ecalDigisValidationSequence+ecalRecHitsValidationSequence+hcalSimHitStudy+hcalDigisValidationSequence+hcalRecHitsValidationSequence+calotowersValidationSequence+validSimHit+muondtdigianalyzer+cscDigiValidation+validationMuonRPCDigis)