/** array of pointers to cluster MC labels **/
- AliHLTTPCClusterFinder::ClusterMCInfo *fClusterLabels[36*6];
+ AliHLTTPCClusterFinder::ClusterMCInfo *fClusterLabels[36*6]; //! cluster MC labels for each TPC patch
+ Int_t fNClusterLabels[36*6]; //! Number of MC labels, for check of consistensy
/** flag for calculating MC labels for tracks **/