Decoder::Module Node1 Decoder::Module   + addTob() + addTob() + getWords() Node2 std::map< Decoder:: Slice::Id, Decoder:: Slice >     Node2->Node1 +slices Node3 Decoder::Slice::Id + sliceNumber + fpgaNumber + operator<() Node3->Node2 +keys Node4 Decoder::Slice   + addTob() + addTob() + getWords() Node4->Node2 +elements Node5 std::vector< Decoder ::xTob >     Node5->Node4 +em_xtobs +tau_xtobs Node6 Decoder::xTob + word0 + word1   Node6->Node5 +elements Node7 std::vector< Decoder ::Tob >     Node7->Node4 +tobs Node8 Decoder::Tob + word0   Node8->Node7 +elements