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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
d20-241AA GHM
d20-241AB GHM
_20-241AC1of8 GHM
_20-241AC2of8 GHM
_20-241AC3of8 GHM
_20-241AC4of8 GHM
_20-241AC5of8 GHM
_20-241AC6of8 GHM
_20-241AC7of8 GHM
_20-241AC8of8 GHM
_20-242AA GHM
_20-242AB GHM
_20-242AC GHM
_20-242AD GHM
_20-242AE GHM
_20-242AF GHM
_20-242AG GHM
_20-242AH GHM
_20-242AI1of8 GHM
_20-242AI2of8 GHM
_20-242AI3of8 GHM
_20-242AI4of8 GHM
_20-242AI5of8 GHM
_20-242AI6of8 GHM
_20-242AI7of8 GHM
_20-242AI8of8 GHM
_20-242AJ1of8 GHM
_20-242AJ2of8 GHM
_20-242AJ3of8 GHM
_20-242AJ4of8 GHM
_20-242AJ5of8 GHM
_20-242AJ6of8 GHM
_20-242AJ7of8 GHM
_20-242AJ8of8 GHM
_20-242AK1of8 GHM
_20-242AK2of8 GHM
_20-242AK3of8 GHM
_20-242AK4of8 GHM
_20-242AK5of8 GHM
_20-242AK6of8 GHM
_20-242AK7of8 GHM
_20-242AK8of8 GHM
_20-242AL1of8 GHM
_20-242AL2of8 GHM
_20-242AL3of8 GHM
_20-242AL4of8 GHM
_20-242AL5of8 GHM
_20-242AL6of8 GHM
_20-242AL7of8 GHM
_20-242AL8of8 GHM
_20-242AM GHM
_20-242AN GHM
_20-242AO GHM
_20-242AP GHM
_20-242AQ GHM
_20-242AR GHM
_20-242AS GHM
_20-242AT GHM
_20-242AU GHM
_20-242AV GHM
_20-242AW1of8 GHM
_20-242AW2of8 GHM
_20-242AW3of8 GHM
_20-242AW4of8 GHM
_20-242AW5of8 GHM
_20-242AW6of8 GHM
_20-242AW7of8 GHM
_20-242AW8of8 GHM
_20-242AX1of8 GHM
_20-242AX2of8 GHM
_20-242AX3of8 GHM
_20-242AX4of8 GHM
_20-242AX5of8 GHM
_20-242AX6of8 GHM
_20-242AX7of8 GHM
_20-242AX8of8 GHM
_20-242AY GHM
_20-242AZ GHM
_20-242BA GHM
_20-243AA GHM
_20-243AB GHM
_20-243AC GHM
_20-243AD GHM
_20-243AE1of8 GHM
_20-243AE2of8 GHM
_20-243AE3of8 GHM
_20-243AE4of8 GHM
_20-243AE5of8 GHM
_20-243AE6of8 GHM
_20-243AE7of8 GHM
_20-243AE8of8 GHM
_20-243AF GHM
_20-244AA GHM
_20-244AB GHM
_20-244AC GHM
_20-244AD GHM
_20-244AE GHM
_20-244AF GHM
_20-244AG GHM
_20-244AH GHM
_20-244AI GHM
_20-244AJ GHM
_20-244AK GHM
_20-244AL GHM
_20-244AM GHM
_20-244AN GHM
_20-244AO GHM
_20-244AP GHM
_20-244AQ GHM
_20-244AR GHM
_20-244AS GHM
_20-244AT GHM
_20-244AU GHM
_20-244AV GHM
d20-245AA GHM
d20-245AB GHM
_20-245AC GHM
_20-245AD GHM
_20-246AA GHM
_20-246AB GHM
_20-246AC GHM
_20-246AD GHM
_20-246AE GHM
_20-246AF GHM
_20-246AG GHM
_20-246AH GHM
_20-246AI GHM
_20-246AJ GHM
_20-246AK GHM
_20-246AL GHM
_20-246AM GHM
_20-246AN GHM
_20-246AO GHM
_20-246AP GHM
_20-246AQ GHM
_20-246AR GHM
_20-246AS GHM
_20-246AT GHM
_20-246AU GHM
_20-246AV GHM
_20-246AW GHM
_20-246AX GHM
_20-246AY GHM
_20-246AZ GHM
_20-246BA GHM
_20-246BB GHM
_20-246BC GHM
_20-246BD GHM
_20-246BE GHM
_20-246BF GHM
_20-246BG GHM
_20-246BH GHM
_20-246BI GHM
_20-246BJ GHM
_20-246BK GHM
_20-246BL GHM
_20-246BM GHM
_20-246BN GHM
_20-246BO GHM
_20-246BP GHM
_20-246BQ GHM
_20-246BR GHM
_20-246BS GHM
_20-247AA GHM
_20-248AA GHM
_20-248AB GHM
_20-248AC GHM
_20-248AD GHM
_20-248AE GHM
_20-248AF GHM
_20-248AG GHM
_20-248AH GHM
_20-248AI GHM
_20-248AJ GHM
_20-248AK GHM
_20-248AL GHM
_20-248AM GHM
_20-248AN GHM
_20-248AO GHM
_20-248AP GHM
_20-248AQ GHM
_20-248AR GHM
_20-248AS GHM
_20-248AT GHM
_20-248AU GHM
_20-248AV GHM
_20-248AW GHM
_20-248AX GHM
_20-248AY GHM
_20-248AZ GHM
_20-248BA GHM
_20-248BB GHM
_20-248BC GHM
_20-248BD GHM
_20-248BE1of2 GHM
_20-248BE2of2 GHM
_20-248BF GHM
_20-248BG GHM
_20-248BH GHM
_20-248BI1of2 GHM
_20-248BI2of2 GHM
_20-248BJ GHM
_20-248BK GHM
_20-248BL GHM
_20-248BM GHM
_20-248BN1of2 GHM
_20-248BN2of2 GHM
_20-248BO JDS
_20-248BP JDS
_20-248BQ1of2 GHM
_20-248BQ2of2 GHM
_20-248BR GHM
_20-248BS GHM
_20-248BT1of2 GHM
_20-248BT2of2 GHM
_20-248BU GHM
_20-248BV GHM
_20-248BW1of2 GHM
_20-248BW2of2 GHM
_20-248BX GHM
_20-248BY GHM
_20-248BZ GHM
_20-248CA GHM
_20-248CB GHM
_20-248CC GHM
_20-248CD GHM
_20-248CE GHM
_20-248CF GHM
_20-248CG GHM
_20-248CH GHM
_20-248CI GHM
_20-248CJ GHM
_20-248CK GHM
_20-248CL GHM
_20-249AA GHM
_20-249AB GHM
_20-249AC1of8 GHM
_20-249AC2of8 GHM
_20-249AC3of8 GHM
_20-249AC4of8 GHM
_20-249AC5of8 GHM
_20-249AC6of8 GHM
_20-249AC7of8 GHM
_20-249AC8of8 GHM
_20-249AD1of8 GHM
_20-249AD2of8 GHM
_20-249AD3of8 GHM
_20-249AD4of8 GHM
_20-249AD5of8 GHM
_20-249AD6of8 GHM
_20-249AD7of8 GHM
_20-249AD8of8 GHM
_20-250AA GHM
_20-250AB GHM
_20-250AC GHM
_20-250AD GHM
_20-250AE GHM
_20-250AF GHM
_20-250AG GHM
_20-250AH GHM
_20-250AI GHM
_20-250AJ GHM
_20-250AK GHM
_20-250AL GHM
_20-250AM1of4 GHM
_20-250AM2of4 GHM
_20-250AM3of4 GHM
_20-250AM4of4 GHM
_20-251AA GHM
_20-251AB GHM
_20-252AA GHM
_20-252AB GHM
_20-252AC GHM
_20-252AD GHM
_20-252AE GHM
_20-252AF GHM
_20-252AG GHM
_20-252AH GHM
_20-252AI GHM
_20-252AJ GHM
_20-252AK GHM
_20-252AL GHM
_20-252AM GHM
_20-252AN GHM
_20-252AO GHM
_20-252AP GHM
_20-252AQ GHM
_20-252AR1of4 GHM
_20-252AR2of4 GHM
_20-252AR3of4 GHM
_20-252AR4of4 GHM
_20-252AS GHM
_20-252AT GHM
_20-252AU GHM
_20-252AV GHM
_20-252AW GHM
_20-252AX GHM
(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
Derivative Ultraperfects
Nonultraperfects
Simple Primitive Imperfects
Triangled Equilateral Triangles
Orders
History and Theory
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