diff --git a/content/block-event-delay.typ b/content/block-event-delay.typ
index ce650772..96a98fad 100644
--- a/content/block-event-delay.typ
+++ b/content/block-event-delay.typ
@@ -13,7 +13,7 @@ subsequent set of components.
 #show raw.where(lang: "mc-diorama"): it => diorama(
   autoplay: true,
   loop: true,
-  radius: 5,
+  radius: 8,
   theta: 160,
   it.text,
 )
@@ -108,15 +108,6 @@ t 20
 p  0    0  0
 ```
 
-#show raw.where(lang: "mc-diorama"): it => diorama(
-  autoplay: true,
-  loop: true,
-  radius: 5,
-  theta: 180,
-  phi: 0,
-  it.text,
-)
-
 ```
 prefix | BED -->
     00 | A D G J ...
@@ -127,7 +118,7 @@ prefix | BED -->
 #show raw.where(lang: "mc-diorama"): it => diorama(
   autoplay: true,
   loop: true,
-  radius: 9,
+  radius: 15,
   phi: 30,
   theta: 110,
   speed: 0.4,
diff --git a/content/chains.py b/content/chains.py
index c119e991..ed7a8b5d 100644
--- a/content/chains.py
+++ b/content/chains.py
@@ -1,8 +1,9 @@
 """Enumerate flattened redstone delay-chains for a given total delay."""
 
 import argparse
+from pprint import pprint
 import sys
-from collections import Counter
+from collections import Counter, defaultdict
 from functools import cache
 from typing import NamedTuple
 
@@ -12,6 +13,13 @@ class Comp(NamedTuple):
     priority: int
     blocks: tuple
 
+    @property
+    def signature(self):
+        return (self.priority, -self.delay)
+
+    def __repr__(self):
+        return "C" + repr(self.blocks)
+
 
 # Insert custom subcomponents here, e.g. Comp(6, -1, ("-", "R2", "C")).
 COMPONENTS = [
@@ -28,41 +36,29 @@ COMPONENTS = [
 ]
 
 assert all(c.blocks for c in COMPONENTS), "components must have >= 1 block"
-_ORDERED = sorted(COMPONENTS, key=lambda c: (c.priority, -c.delay))
-
-
-def _canon(comps):
-    seen = {}
-    for c in comps:
-        seen.setdefault((c.priority, c.delay), c)
-    return list(seen.values())
-
-
-HEAD = _canon([c for c in _ORDERED if c.blocks[0] == "-"])
-BODY = _canon(_ORDERED)
-
-
-def chains(total: int):
-    for c in HEAD:
-        if c.delay > total:
-            continue
-        if total == c.delay:
-            yield c.blocks
-        else:
-            yield from (c.blocks + rest for rest in _body(total - c.delay))
+ORDER = tuple(sorted(COMPONENTS, key=lambda c: (c.priority, -c.delay)))
+START = tuple([c for c in ORDER if c.blocks[0] == "-"])
 
 
 @cache
-def _body(remaining: int):
-    out = []
-    for c in BODY:
+def _body(remaining: int, order=ORDER):
+    out = defaultdict(list)
+
+    for c in order:
         if c.delay > remaining:
             continue
         if remaining == c.delay:
-            out.append(c.blocks)
+            out[(c.signature,)].append(c.blocks)
         else:
-            out.extend(c.blocks + rest for rest in _body(remaining - c.delay))
-    return tuple(out)
+            for signature, rests in _body(remaining - c.delay).items():
+                for rest in rests:
+                    out[(c.signature, *signature)].append(c.blocks + rest)
+
+    return dict(out)
+
+
+def chains(total: int):
+    return _body(total, START)
 
 
 def main():
@@ -71,15 +67,21 @@ def main():
     ap.add_argument("count", nargs="*", type=int, help="total element count")
     args = ap.parse_args()
 
-    tileset = chains(args.total)
-    if args.count:
-        tileset = (chain for chain in tileset if len(chain) in args.count)
-    tileset = list(tileset)
+    spellings = chains(args.total)
+
+    counts = Counter(len(opt) for opts in spellings.values() for opt in opts)
+
+    tileset = []
+    for sig in sorted(spellings):
+        opts = spellings[sig]
+        if args.count:
+            opts = [opt for opt in opts if len(opt) in args.count]
+        if opts:
+            tileset.append(min(opts, key=len))
 
     for chain in tileset:
         print(*chain)
 
-    counts = Counter(map(len, tileset))
     print(len(tileset), "chains", file=sys.stderr)
     for length in sorted(counts):
         print(f"length {length} chains: {counts[length]}", file=sys.stderr)
diff --git a/content/index.typ b/content/index.typ
index c9bcd915..bb654907 100644
--- a/content/index.typ
+++ b/content/index.typ
@@ -1,6 +1,6 @@
 #import "/lib.typ": callout, diorama, warn
 
-#show raw.where(block: true, lang: "mc-diorama"): it => diorama(orbit: false, it.text)
+#show raw.where(block: true, lang: "mc-diorama"): it => diorama(orbit: false, radius: 7, it.text)
 
 #title()
 
diff --git a/content/tileset-10-5.txt b/content/tileset-10-5.txt
index 04db4a19..f4f31f31 100644
--- a/content/tileset-10-5.txt
+++ b/content/tileset-10-5.txt
@@ -1,10 +1,22 @@
+- R3 - R1 - R1
+- R3 - R1 - C
+- R3 - C - R1
 - R3 - C - C
+- R2 R1 R1 - R1
 - R2 R1 R1 - C
+- R2 R1 - R1 R1
+- R2 R1 C - R1
 - R2 R1 C - C
 - R2 R1 - C R1
 - R2 R1 - C C
+- R2 - R2 - R1
 - R2 - R2 - C
+- R2 - R1 R1 R1
+- R2 C R1 - R1
 - R2 C R1 - C
+- R2 - R1 - R2
+- R2 C - R1 R1
+- R2 C C - R1
 - R2 C C - C
 - R2 C - C R1
 - R2 C - C C
@@ -13,10 +25,14 @@
 - R2 - C - R2
 - R2 - C C R1
 - R2 - C C C
+- R1 R2 R1 - R1
 - R1 R2 R1 - C
+- R1 R2 - R1 R1
+- R1 R2 C - R1
 - R1 R2 C - C
 - R1 R2 - C R1
 - R1 R2 - C C
+- R1 R1 R2 - R1
 - R1 R1 R2 - C
 - R1 R1 R1 R1 R1
 - R1 R1 R1 R1 C
@@ -25,26 +41,33 @@
 - R1 R1 R1 C C
 - R1 R1 - R2 R1
 - R1 R1 - R2 C
+- R1 R1 - R1 R2
 - R1 R1 C R1 R1
 - R1 R1 C R1 C
 - R1 R1 C - R2
 - R1 R1 C C R1
 - R1 R1 C C C
 - R1 R1 - C R2
+- R1 - R3 - R1
 - R1 - R3 - C
 - R1 - R2 R1 R1
 - R1 - R2 R1 C
 - R1 - R2 - R2
 - R1 - R2 C R1
 - R1 - R2 C C
+- R1 - R1 R2 R1
+- R1 C R2 - R1
 - R1 C R2 - C
+- R1 - R1 R1 R2
 - R1 C R1 R1 R1
 - R1 C R1 R1 C
 - R1 C R1 - R2
 - R1 C R1 C R1
 - R1 C R1 C C
+- R1 - R1 - R3
 - R1 C - R2 R1
 - R1 C - R2 C
+- R1 C - R1 R2
 - R1 C C R1 R1
 - R1 C C R1 C
 - R1 C C - R2
@@ -56,10 +79,14 @@
 - R1 - C R1 R2
 - R1 - C - R3
 - R1 - C C R2
+- C R2 R1 - R1
 - C R2 R1 - C
+- C R2 - R1 R1
+- C R2 C - R1
 - C R2 C - C
 - C R2 - C R1
 - C R2 - C C
+- C R1 R2 - R1
 - C R1 R2 - C
 - C R1 R1 R1 R1
 - C R1 R1 R1 C
@@ -68,26 +95,33 @@
 - C R1 R1 C C
 - C R1 - R2 R1
 - C R1 - R2 C
+- C R1 - R1 R2
 - C R1 C R1 R1
 - C R1 C R1 C
 - C R1 C - R2
 - C R1 C C R1
 - C R1 C C C
 - C R1 - C R2
+- C - R3 - R1
 - C - R3 - C
 - C - R2 R1 R1
 - C - R2 R1 C
 - C - R2 - R2
 - C - R2 C R1
 - C - R2 C C
+- C - R1 R2 R1
+- C C R2 - R1
 - C C R2 - C
+- C - R1 R1 R2
 - C C R1 R1 R1
 - C C R1 R1 C
 - C C R1 - R2
 - C C R1 C R1
 - C C R1 C C
+- C - R1 - R3
 - C C - R2 R1
 - C C - R2 C
+- C C - R1 R2
 - C C C R1 R1
 - C C C R1 C
 - C C C - R2
diff --git a/content/tileset-8-4.txt b/content/tileset-8-4.txt
index 91a79e85..3e20f9b6 100644
--- a/content/tileset-8-4.txt
+++ b/content/tileset-8-4.txt
@@ -1,7 +1,11 @@
+- R2 R1 - R1
 - R2 R1 - C
+- R2 - R1 R1
+- R2 C - R1
 - R2 C - C
 - R2 - C R1
 - R2 - C C
+- R1 R2 - R1
 - R1 R2 - C
 - R1 R1 R1 R1
 - R1 R1 R1 C
@@ -10,12 +14,14 @@
 - R1 R1 C C
 - R1 - R2 R1
 - R1 - R2 C
+- R1 - R1 R2
 - R1 C R1 R1
 - R1 C R1 C
 - R1 C - R2
 - R1 C C R1
 - R1 C C C
 - R1 - C R2
+- C R2 - R1
 - C R2 - C
 - C R1 R1 R1
 - C R1 R1 C
@@ -24,6 +30,7 @@
 - C R1 C C
 - C - R2 R1
 - C - R2 C
+- C - R1 R2
 - C C R1 R1
 - C C R1 C
 - C C - R2
diff --git a/content/tilesets-experimental.typ b/content/tilesets-experimental.typ
index 784e4503..ac7c23e4 100644
--- a/content/tilesets-experimental.typ
+++ b/content/tilesets-experimental.typ
@@ -104,7 +104,7 @@ the number of general chains grows quickly:
       })
       html.tr({
         html.td[14gt]
-        html.td[4497]
+        html.td[4997]
         html.td[128]
       })
     })
@@ -137,22 +137,22 @@ signal flows right-to-left).
     html.tbody({
       html.tr({
         html.td[8gt, 4 block]
-        html.td(tileset("tileset-8-4.txt", summary: [32]))
+        html.td(tileset("tileset-8-4.txt", summary: [39]))
         html.td[16]
       })
       html.tr({
         html.td[10gt, 5 block]
-        html.td(tileset("tileset-10-5.txt", summary: [101]))
+        html.td(tileset("tileset-10-5.txt", summary: [135]))
         html.td[32]
       })
       html.tr({
         html.td[12gt, 6 block]
-        html.td[331]
+        html.td[481]
         html.td[64]
       })
       html.tr({
         html.td[14gt, 7 block]
-        html.td[1114]
+        html.td[1740]
         html.td[128]
       })
     })
diff --git a/content/tilesets.typ b/content/tilesets.typ
index 543da7ec..2457d180 100644
--- a/content/tilesets.typ
+++ b/content/tilesets.typ
@@ -19,6 +19,7 @@ set* is a system of constructing tile sequences that enforces a particular globa
   autoplay: true,
   theta: 160,
   phi: 20,
+  radius: 6,
   it.text,
 )
 
@@ -86,7 +87,8 @@ Consider this 4gt tileset.
   theta: 90,
   phi: 90,
   speed: 0.33,
-  radius: 8,
+  radius: 16,
+  aspect: 2,
   orbit: false,
   it.text,
 )
@@ -269,6 +271,7 @@ bit-length. For example, the 8-bit tileset for `150` is:
   phi: 90,
   speed: 0.33,
   radius: 8,
+  aspect: 8,
   orbit: false,
   it.text,
 )