diff --git a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Log.hs b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Log.hs
index 977c687bc..7fffcf94f 100644
--- a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Log.hs
+++ b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Log.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE OverloadedStrings #-}
+
 -- |
 -- SPDX-License-Identifier: BSD-3-Clause
 --
@@ -5,11 +7,11 @@
 module Swarm.Game.Scenario.Topography.Structure.Recognition.Log where
 
 import Data.Aeson
-import Data.Int (Int32)
-import Data.IntSet.NonEmpty (NEIntSet)
 import Data.List.NonEmpty (NonEmpty)
+import Data.List.NonEmpty qualified as NE
+import Data.Text (Text)
+import Data.Text qualified as T
 import GHC.Generics (Generic)
-import Linear (V2)
 import Servant.Docs (ToSample)
 import Servant.Docs qualified as SD
 import Swarm.Game.Location (Location)
@@ -31,6 +33,10 @@ data OrientedStructure = OrientedStructure
 distillLabel :: StructureWithGrid b a -> OrientedStructure
 distillLabel swg = OrientedStructure (getName $ originalDefinition swg) (rotatedTo swg)
 
+renderSharedNames :: ConsolidatedRowReferences b a -> Text
+renderSharedNames =
+  T.intercalate "/" . NE.toList . NE.nub . NE.map (getName . originalDefinition . wholeStructure) . referencingRows
+
 newtype EntityKeyedFinder = EntityKeyedFinder
   { searchOffsets :: InspectionOffsets
   }
@@ -73,39 +79,10 @@ data WrongRecurrenceCountExplanation = WrongRecurrenceCountExplanation
   }
   deriving (Generic, ToJSON)
 
--- | The located occurrences of a specific contiguous chunk of entities.
--- Note that an identical chunk may recur more than once in a structure row.
--- This record represents all of the recurrences of one such chunk.
---
--- Any different chunks contained within a row will be described by
--- their own instance of this record.
---
--- Note: By virtue of the searching algorithm, these indices
--- are expected to automatically be in sorted order
-data FoundAndExpectedChunkPositions = FoundAndExpectedChunkPositions
-  { foundPositions :: NEIntSet
-  , expectedPositions :: NEIntSet
-  }
-  deriving (Generic, ToJSON)
-
-data FoundRowFromChunk a = FoundRowFromChunk
-  { chunkOffsetFromSearchBorder :: Int
-  , rowIndexWithinStructure :: Int32
-  , structurePositionOffset :: V2 Int32
-  , chunkStructure :: a
-  }
-  deriving (Functor, Generic, ToJSON)
-
-data ChunkedRowMatch a e = ChunkedRowMatch
-  { positionsComparison :: [(FoundAndExpectedChunkPositions, NonEmpty e)]
-  , foundChunkRow :: FoundRowFromChunk a
-  }
-  deriving (Functor, Generic, ToJSON)
-
 data SearchLog e
   = FoundParticipatingEntity (ParticipatingEntity e)
   | StructureRemoved OriginalName
-  | FoundCompleteStructureCandidates [OrientedStructure]
+  | FoundCompleteStructureCandidates [(OrientedStructure, Cosmic Location)]
   | -- | this is actually internally used as a (Map (NonEmpty e) (NonEmpty Int)),
     -- but the requirements of Functor force us to invert the mapping
     FoundPiecewiseChunks [(NonEmpty Int, NonEmpty e)]
diff --git a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Prep.hs b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Prep.hs
index 75c9bd5b9..c8aad20be 100644
--- a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Prep.hs
+++ b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Prep.hs
@@ -54,14 +54,14 @@ mkOffsets pos (RowWidth w) =
 mkEntityLookup ::
   (Hashable a, Eq a) =>
   [StructureWithGrid b a] ->
-  HM.HashMap a (AutomatonNewInfo b a)
+  HM.HashMap a (AutomatonInfo b a)
 mkEntityLookup grids =
   HM.map mkRowAutomatons rowsByEntityParticipation
  where
   -- Produces an automaton to evaluate whenever a given entity
   -- is encountered.
   mkRowAutomatons neList =
-    AutomatonNewInfo bounds $
+    AutomatonInfo bounds $
       PiecewiseRecognition smPiecewise extractedChunksForLookup
    where
     bounds = sconcat $ NE.map expandedOffsets neList
@@ -70,8 +70,6 @@ mkEntityLookup grids =
       HS.fromList . concat . NE.toList $
         NE.map (map chunkContents . contiguousChunks) neList
 
-    -- TODO: These should be grouped by
-    -- row content to avoid redundant checks
     extractedChunksForLookup = NE.map f neList
      where
       f x = RowChunkMatchingReference (myRow x) (mkRightMap x)
@@ -91,6 +89,13 @@ mkEntityLookup grids =
     binTuplesHM
       . map (myEntity &&& id)
       . concatMap explodeRowEntities
+      $ structureRowsByContent
+
+  structureRowsByContent =
+    map (\(x, y) -> ConsolidatedRowReferences x y . gridWidth . wholeStructure $ NE.head y)
+      . HM.toList
+      . binTuplesHM
+      . map (rowContent &&& id)
       $ allStructureRows grids
 
 getContiguousChunks :: [Maybe a] -> [PositionedChunk a]
@@ -109,9 +114,9 @@ getContiguousChunks rowMembers =
 -- are dropped but accounted for positionally when indexing the columns.
 explodeRowEntities ::
   (Hashable a, Eq a) =>
-  StructureRow b a ->
+  ConsolidatedRowReferences b a ->
   [SingleRowEntityOccurrences b a]
-explodeRowEntities annotatedRow@(StructureRow _ _ rowMembers) =
+explodeRowEntities annotatedRow@(ConsolidatedRowReferences rowMembers _ rw) =
   map f $ HM.toList $ binTuplesHM unconsolidatedEntityOccurrences
  where
   chunks = getContiguousChunks rowMembers
@@ -130,8 +135,8 @@ explodeRowEntities annotatedRow@(StructureRow _ _ rowMembers) =
         zipWith (\idx -> fmap (PositionWithinRow idx annotatedRow,)) [0 ..] rowMembers
 
   deriveEntityOffsets :: PositionWithinRow b a -> InspectionOffsets
-  deriveEntityOffsets (PositionWithinRow pos r) =
-    mkOffsets pos $ gridWidth $ wholeStructure r
+  deriveEntityOffsets (PositionWithinRow pos _) =
+    mkOffsets pos rw
 
 -- * Util
 
diff --git a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Tracking.hs b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Tracking.hs
index 333b4b859..c13178f3d 100644
--- a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Tracking.hs
+++ b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Tracking.hs
@@ -73,9 +73,7 @@ entityModified entLoader modification cLoc recognizer = do
     stateRevision <- case HM.lookup newEntity entLookup of
       Nothing -> return oldRecognitionState
       Just finder -> do
-        let logFinder f =
-              EntityKeyedFinder
-                (f ^. inspectionOffsets2)
+        let logFinder f = EntityKeyedFinder (f ^. inspectionOffsets)
             msg =
               FoundParticipatingEntity $
                 ParticipatingEntity newEntity $
@@ -170,17 +168,22 @@ checkChunksCombination
 
     let candidateExpected = concatMap NE.toList candidateExpectedLists
     tell . pure . ChunksMatchingExpected $
-      map (modifyChunkedRowMatch $ fmap $ getName . originalDefinition . wholeStructure) candidateExpected
+      map (modifyChunkedRowMatch $ fmap renderSharedNames) candidateExpected
 
-    let structurePositionsToCheck = map mkFoundStructure candidateExpected
+    let structurePositionsToCheck = concatMap mkFoundStructures candidateExpected
     filterM validateIntactness2d structurePositionsToCheck
    where
     foundRowChunksLookup = fmap NEIS.fromList $ binTuplesHM $ map (pVal &&& pIndex) candidatesChunked
 
-    mkFoundStructure x =
-      FoundStructure
-        (wholeStructure $ chunkStructure $ foundChunkRow x)
-        (cLoc `offsetBy` structurePositionOffset (foundChunkRow x))
+    mkFoundStructures x =
+      NE.toList $ NE.map mkFoundStructure . referencingRows . chunkStructure $ foundChunkRow x
+     where
+      mkFoundStructure r =
+        FoundStructure
+          (wholeStructure r)
+          (cLoc `offsetBy` theOffset)
+       where
+        theOffset = V2 (horizontalStructPos $ foundChunkRow x) (rowIndex r)
 
     validateIntactness2d fs = do
       intactness <- lift $ ensureStructureIntact entLoader fs
@@ -192,7 +195,7 @@ checkChunksCombination
       return intactness
 
     subsetChecker (RowChunkMatchingReference r chunkPositionMap) =
-      left (ChunkMatchFailureReason $ getName . originalDefinition . wholeStructure $ r) $ do
+      left (ChunkMatchFailureReason $ renderSharedNames r) $ do
         let isKeysSubset = referenceChunksKeys `HS.isSubsetOf` foundChunksKeys
         unless isKeysSubset . Left $
           NoKeysSubset $
@@ -225,7 +228,7 @@ checkChunksCombination
       mkRowMatch theIntersection rowOffset =
         ChunkedRowMatch
           (map swap $ HM.toList theIntersection)
-          (FoundRowFromChunk rowOffset (rowIndex r) (V2 horizontalStructurePosition (rowIndex r)) r)
+          (FoundRowFromChunk rowOffset horizontalStructurePosition r)
        where
         horizontalStructurePosition = fromIntegral rowOffset + getMin (startOffset horizontalOffsets)
 
@@ -241,10 +244,10 @@ registerRowMatches ::
   (Monad s, Hashable a, Eq b) =>
   GenericEntLocator s a ->
   Cosmic Location ->
-  AutomatonNewInfo b a ->
+  AutomatonInfo b a ->
   RecognitionState b a ->
   WriterT [SearchLog a] s (RecognitionState b a)
-registerRowMatches entLoader cLoc (AutomatonNewInfo horizontalOffsets pwMatcher) rState = do
+registerRowMatches entLoader cLoc (AutomatonInfo horizontalOffsets pwMatcher) rState = do
   entitiesRow <-
     lift $
       getWorldRow
@@ -256,7 +259,7 @@ registerRowMatches entLoader cLoc (AutomatonNewInfo horizontalOffsets pwMatcher)
 
   tell $ pure $ StartSearchAt cLoc horizontalOffsets
 
-  tell . pure . ExpectedChunks $ NE.map (HM.keys . confirmationMap) pwMaps
+  tell . pure . ExpectedChunks $ NE.map (HM.keys . confirmationMap) rowChunkReferences
 
   let candidatesChunked = findAll pwSM entitiesRow
 
@@ -265,14 +268,14 @@ registerRowMatches entLoader cLoc (AutomatonNewInfo horizontalOffsets pwMatcher)
   registerStructureMatches intactStructuresLists rState
  where
   registry = rState ^. foundStructures
-  PiecewiseRecognition pwSM pwMaps = pwMatcher
+  PiecewiseRecognition pwSM rowChunkReferences = pwMatcher
 
   checkCombo =
     checkChunksCombination
       entLoader
       cLoc
       horizontalOffsets
-      pwMaps
+      rowChunkReferences
 
 -- | We only have to do this once, for the "smallest" chunk occurrence size discrepancy.
 -- All subsequent chunks will merely filter on this initial set.
@@ -316,5 +319,5 @@ registerStructureMatches unrankedCandidates oldState = do
   -- Sorted by decreasing order of preference.
   rankedCandidates = sortOn Down unrankedCandidates
 
-  getStructInfo (FoundStructure swg _) = distillLabel swg
+  getStructInfo (FoundStructure swg loc) = (distillLabel swg, loc)
   newMsg = FoundCompleteStructureCandidates $ map getStructInfo rankedCandidates
diff --git a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Type.hs b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Type.hs
index b5b45b11d..fc81bd3bc 100644
--- a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Type.hs
+++ b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Recognition/Type.hs
@@ -24,6 +24,7 @@ import Data.Aeson (ToJSON)
 import Data.Function (on)
 import Data.HashMap.Strict (HashMap)
 import Data.Int (Int32)
+import Data.IntSet.NonEmpty (NEIntSet)
 import Data.List.NonEmpty (NonEmpty)
 import Data.Map (Map)
 import Data.Maybe (catMaybes)
@@ -81,14 +82,14 @@ type SymbolSequence a = [AtomicKeySymbol a]
 data PositionWithinRow b a = PositionWithinRow
   { _position :: Int32
   -- ^ horizontal index of the entity within the row
-  , structureRow :: StructureRow b a
+  , structureRow :: ConsolidatedRowReferences b a
   }
 
 -- | A chunkified version of a structure row.
 -- Each unique structure row will need to test one of these
 -- against the world row being examined.
 data RowChunkMatchingReference b a = RowChunkMatchingReference
-  { locatableRow :: StructureRow b a
+  { locatableRows :: ConsolidatedRowReferences b a
   , confirmationMap :: HashMap (NonEmpty a) (NonEmpty Int)
   }
 
@@ -115,7 +116,7 @@ data PositionedChunk a = PositionedChunk
 --
 -- this record will contain two entries in its 'entityOccurrences' field.
 data SingleRowEntityOccurrences b a = SingleRowEntityOccurrences
-  { myRow :: StructureRow b a
+  { myRow :: ConsolidatedRowReferences b a
   , myEntity :: a
   , contiguousChunks :: [PositionedChunk a]
   , expandedOffsets :: InspectionOffsets
@@ -146,6 +147,14 @@ data StructureRow b a = StructureRow
   , rowContent :: SymbolSequence a
   }
 
+-- | Represents all rows across all structures that share
+-- a particular row content
+data ConsolidatedRowReferences b a = ConsolidatedRowReferences
+  { sharedRowContent :: SymbolSequence a
+  , referencingRows :: NonEmpty (StructureRow b a)
+  , theRowWidth :: RowWidth
+  }
+
 -- | This wrapper facilitates naming the original structure
 -- (i.e. the "payload" for recognition)
 -- for the purpose of both UI display and internal uniqueness,
@@ -203,27 +212,13 @@ instance Semigroup InspectionOffsets where
   InspectionOffsets l1 r1 <> InspectionOffsets l2 r2 =
     InspectionOffsets (l1 <> l2) (r1 <> r2)
 
--- | Each automaton shall be initialized to recognize
--- a certain subset of structure rows, that may either
--- all be within one structure, or span multiple structures.
-data AutomatonInfo en k v = AutomatonInfo
+data AutomatonInfo v k = AutomatonInfo
   { _inspectionOffsets :: InspectionOffsets
-  , _automaton :: StateMachine k v
-  , _searchPairs :: NonEmpty ([k], v)
-  -- ^ these are the tuples input to the 'makeStateMachine' function,
-  -- for debugging purposes.
-  }
-  deriving (Generic)
-
-makeLenses ''AutomatonInfo
-
-data AutomatonNewInfo v k = AutomatonNewInfo
-  { _inspectionOffsets2 :: InspectionOffsets
   , piecewiseStuff :: PiecewiseRecognition v k
   }
   deriving (Generic)
 
-makeLenses ''AutomatonNewInfo
+makeLenses ''AutomatonInfo
 
 -- | The complete set of data needed to identify applicable
 -- structures, based on a just-placed entity.
@@ -231,7 +226,7 @@ data RecognizerAutomatons b a = RecognizerAutomatons
   { _originalStructureDefinitions :: Map OriginalName (StructureInfo b a)
   -- ^ all of the structures that shall participate in automatic recognition.
   -- This list is used only by the UI and by the 'Floorplan' command.
-  , _automatonsByEntity :: HashMap a (AutomatonNewInfo b a)
+  , _automatonsByEntity :: HashMap a (AutomatonInfo b a)
   }
   deriving (Generic)
 
@@ -248,6 +243,34 @@ data FoundStructure b a = FoundStructure
   }
   deriving (Eq)
 
+data FoundRowFromChunk a = FoundRowFromChunk
+  { chunkOffsetFromSearchBorder :: Int
+  , horizontalStructPos :: Int32
+  , chunkStructure :: a
+  }
+  deriving (Functor, Generic, ToJSON)
+
+-- | The located occurrences of a specific contiguous chunk of entities.
+-- Note that an identical chunk may recur more than once in a structure row.
+-- This record represents all of the recurrences of one such chunk.
+--
+-- Any different chunks contained within a row will be described by
+-- their own instance of this record.
+--
+-- Note: By virtue of the searching algorithm, these indices
+-- are expected to automatically be in sorted order
+data FoundAndExpectedChunkPositions = FoundAndExpectedChunkPositions
+  { foundPositions :: NEIntSet
+  , expectedPositions :: NEIntSet
+  }
+  deriving (Generic, ToJSON)
+
+data ChunkedRowMatch a e = ChunkedRowMatch
+  { positionsComparison :: [(FoundAndExpectedChunkPositions, NonEmpty e)]
+  , foundChunkRow :: FoundRowFromChunk a
+  }
+  deriving (Functor, Generic, ToJSON)
+
 -- | Ordering is by increasing preference between simultaneously
 -- completed structures.
 -- The preference heuristic is for: