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Tilings by Squares
Tilings by Triangles
Isosceles Right Triangled Squares
Primitive Perfects
(1) PPIRTS's Order 11
(3) PPIRTS's Order 12
(13) PPIRTS's Order 13
(38) PPIRTS's Order 14
(128) PPIRTS's Order 15
(451) PPIRTS's Order 16
(1039) PPIRTS's Order 17
(2581) PPIRTS's Order 18
(7021) PPIRTS's Order 19
(8446) PPIRTS's Order 20
(308); 20:32->20:70
(320); 20:71->20:86
(292); 20:87->20:99
(293); 20:100->20:110
(324); 20:112->20:124
(323); 20:125->20:134
(303); 20:135->20:146
(310); 20:147->20:156
(283); 20:157->20:165
(303); 20:166->20:174
(307); 20:175->20:184
(290); 20:185->20:188
(291); 20:189->20:203
(301); 20:204->20:215
(290); 20:216->20:223
(321); 20:224->20:232
(301); 20:234->20:240
(297); 20:241->20:252
(317); 20:253->20:262
(301); 20:263->20:268
(289); 20:269->20:290
(287); 20:291->20:310
(300); 20:311->20:327
(305); 20:328->20:338
(289); 20:339->20:362
(301); 20:364->20:380
(299); 20:382->20:448
(301); 20:450->20:784
_20-450AA GHM
_20-450AB GHM
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_20-450AD GHM
_20-450AE GHM
_20-450AF GHM
_20-450AG GHM
_20-450AH GHM
_20-450AI GHM
_20-450AJ GHM
_20-450AK GHM
_20-450AL GHM
_20-450AM GHM
_20-450AN GHM
_20-450AO GHM
_20-452AA GHM
_20-452AB GHM
_20-452AC GHM
_20-454AA GHM
_20-454AB GHM
_20-456AA1of2 GHM
_20-456AA2of2 GHM
_20-456AB1of2 GHM
_20-456AB2of2 GHM
_20-456AC GHM
_20-456AD GHM
_20-456AE GHM
_20-456AF GHM
_20-456AG GHM
_20-456AH GHM
_20-456AI GHM
_20-456AJ GHM
_20-456AK GHM
_20-456AL GHM
_20-456AM GHM
_20-456AN GHM
_20-456AO GHM
_20-456AP GHM
_20-456AQ GHM
_20-456AR GHM
_20-456AS GHM
_20-456AT GHM
_20-460AA GHM
_20-460AB GHM
_20-460AC GHM
_20-460AD GHM
_20-460AE GHM
_20-460AF GHM
_20-460AG GHM
_20-460AH GHM
_20-462AA GHM
_20-462AB GHM
_20-462AC GHM
_20-462AD GHM
_20-464AA GHM
_20-464AB GHM
_20-464AC GHM
_20-464AD1of2 GHM
_20-464AD2of2 GHM
_20-466AA GHM
_20-466AB GHM
_20-468AA GHM
_20-468AB GHM
_20-468AC GHM
_20-468AD GHM
_20-468AE GHM
_20-468AF GHM
_20-468AG GHM
_20-468AH GHM
_20-468AI GHM
_20-468AJ GHM
_20-468AK GHM
_20-472AA GHM
_20-472AB GHM
_20-472AC GHM
_20-472AD GHM
_20-472AE GHM
_20-472AF GHM
_20-472AG GHM
_20-472AH GHM
_20-472AI GHM
_20-472AJ GHM
_20-472AK GHM
_20-472AL GHM
_20-472AM GHM
_20-472AN GHM
_20-472AO GHM
_20-472AP GHM
_20-472AQ GHM
_20-472AR GHM
_20-472AS GHM
_20-472AT GHM
_20-472AU GHM
_20-474AA GHM
_20-474AB GHM
_20-474AC GHM
_20-476AA GHM
_20-476AB GHM
_20-476AC GHM
_20-476AD GHM
_20-476AE GHM
_20-476AF GHM
_20-476AG GHM
_20-476AH GHM
_20-476AI GHM
_20-476AJ GHM
_20-476AK GHM
_20-476AL GHM
_20-476AM GHM
_20-478AA GHM
_20-478AB GHM
_20-478AC GHM
_20-478AD GHM
_20-478AE GHM
_20-480AA GHM
_20-480AB GHM
_20-480AC GHM
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_20-480AE GHM
_20-480AF GHM
_20-480AG GHM
_20-480AH GHM
_20-480AI GHM
_20-480AJ GHM
_20-480AK GHM
_20-480AL GHM
_20-482AA GHM
_20-482AB GHM
_20-482AC GHM
_20-482AD GHM
_20-482AE GHM
_20-482AF1of8 GHM
_20-482AF2of8 GHM
_20-482AF3of8 GHM
_20-482AF4of8 GHM
_20-482AF5of8 GHM
_20-482AF6of8 GHM
_20-482AF7of8 GHM
_20-482AF8of8 GHM
_20-484AA GHM
_20-484AB GHM
_20-486AA GHM
_20-486AB GHM
_20-486AC GHM
_20-486AD GHM
_20-486AE1of8 GHM
_20-486AE2of8 GHM
_20-486AE3of8 GHM
_20-486AE4of8 GHM
_20-486AE5of8 GHM
_20-486AE6of8 GHM
_20-486AE7of8 GHM
_20-486AE8of8 GHM
_20-486AF GHM
_20-486AG GHM
_20-486AH GHM
_20-488AA GHM
_20-488AB GHM
_20-488AC GHM
_20-488AD GHM
_20-488AE GHM
_20-488AF GHM
_20-488AG GHM
_20-488AH GHM
_20-492AA GHM
_20-492AB GHM
_20-492AC GHM
_20-492AD GHM
_20-492AE GHM
_20-492AF GHM
_20-492AG GHM
_20-492AH GHM
_20-492AI GHM
_20-496AA GHM
_20-496AB GHM
_20-496AC GHM
_20-496AD GHM
_20-496AE GHM
_20-496AF GHM
_20-500AA1of2 GHM
_20-500AA2of2 GHM
_20-504AA GHM
_20-504AB GHM
_20-504AC GHM
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_20-504AE GHM
_20-504AF GHM
_20-504AG GHM
_20-504AH GHM
_20-506AA GHM
_20-506AB GHM
_20-506AC GHM
_20-508AA GHM
_20-508AB GHM
_20-510AA GHM
_20-510AB GHM
_20-510AC GHM
_20-510AD GHM
_20-510AE GHM
_20-510AF GHM
_20-510AG GHM
_20-510AH GHM
_20-510AI GHM
_20-512AA GHM
_20-512AB GHM
_20-512AC GHM
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_20-512AE GHM
_20-512AF GHM
_20-512AG GHM
_20-512AH GHM
_20-512AI GHM
_20-516AA GHM
_20-516AB GHM
_20-518AA GHM
_20-520AA GHM
_20-520AB GHM
_20-520AC GHM
_20-520AD GHM
_20-520AE GHM
_20-524AA GHM
_20-524AB GHM
_20-526AA GHM
_20-528AA GHM
_20-528AB GHM
_20-528AC GHM
_20-532AA GHM
_20-532AB GHM
_20-532AC GHM
_20-532AD GHM
_20-536AA GHM
_20-536AB GHM
_20-536AC GHM
_20-536AD1of8 GHM
_20-536AD2of8 GHM
_20-536AD3of8 GHM
_20-536AD4of8 GHM
_20-536AD5of8 GHM
_20-536AD6of8 GHM
_20-536AD7of8 GHM
_20-536AD8of8 GHM
_20-536AE GHM
_20-536AF1of8 GHM
_20-536AF2of8 GHM
_20-536AF3of8 GHM
_20-536AF4of8 GHM
_20-536AF5of8 GHM
_20-536AF6of8 GHM
_20-536AF7of8 GHM
_20-536AF8of8 GHM
_20-540AA GHM
_20-540AB GHM
_20-540AC GHM
_20-540AD GHM
_20-544AA GHM
_20-544AB GHM
_20-548AA GHM
_20-548AB GHM
_20-560AA GHM
_20-562AA GHM
_20-564AA GHM
_20-570AA1of4 GHM
_20-570AA2of4 GHM
_20-570AA3of4 GHM
_20-570AA4of4 GHM
_20-580AA GHM
_20-588AA GHM
_20-594AA1of2 GHM
_20-594AA2of2 GHM
_20-594AB1of2 GHM
_20-594AB2of2 GHM
_20-594AC1of2 GHM
_20-594AC2of2 GHM
_20-604AA GHM
_20-616AA GHM
_20-616AB GHM
_20-618AA GHM
_20-634AA GHM
_20-642AA GHM
_20-654AA GHM
_20-656AA1of2 GHM
_20-656AA2of2 GHM
_20-660AA GHM
_20-662AA GHM
_20-664AA GHM
_20-664AB GHM
_20-666AA GHM
_20-666AB GHM
_20-690AA GHM
_20-692AA GHM
_20-692AB GHM
_20-696AA GHM
_20-708AA GHM
_20-712AA GHM
_20-716AA GHM
_20-716AB GHM
_20-732AA GHM
_20-752AA GHM
_20-752AB GHM
_20-776AA GHM
_20-784AA GHM
Derivative Ultraperfects
Nonultraperfects
Simple Primitive Imperfects
Triangled Equilateral Triangles
Orders
History and Theory
Downloads
Links