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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
_20-189AA GHM
_20-189AB GHM
_20-189AC GHM
_20-189AD GHM
_20-189AE1of2 GHM
_20-189AE2of2 GHM
_20-189AF GHM
_20-190AA GHM
_20-190AB GHM
_20-190AC GHM
_20-190AD GHM
_20-190AE GHM
_20-190AF GHM
_20-190AG GHM
_20-190AH GHM
_20-190AI GHM
_20-190AJ GHM
_20-190AK GHM
_20-190AL GHM
_20-190AM GHM
_20-190AN GHM
_20-190AO GHM
_20-190AP GHM
_20-190AQ GHM
_20-190AR GHM
_20-190AS GHM
_20-190AT GHM
_20-191AA GHM
_20-191AB1of2 GHM
_20-191AB2of2 GHM
_20-192AA GHM
_20-192AB GHM
_20-192AC GHM
_20-192AD GHM
_20-192AE GHM
_20-192AF GHM
_20-192AG GHM
_20-192AH GHM
_20-192AI GHM
_20-192AJ GHM
_20-192AK GHM
_20-192AL GHM
_20-192AM GHM
_20-192AN GHM
_20-192AO GHM
_20-192AP GHM
_20-192AQ GHM
_20-192AR GHM
_20-192AS GHM
_20-192AT GHM
_20-192AU GHM
_20-192AV GHM
_20-192AW GHM
_20-192AX GHM
_20-192AY GHM
_20-192AZ GHM
_20-192BA GHM
_20-192BB1of4 GHM
_20-192BB2of4 GHM
_20-192BB3of4 GHM
_20-192BB4of4 GHM
_20-192BC GHM
_20-192BD GHM
_20-192BE GHM
_20-192BF JDS
_20-192BG GHM
_20-192BH1of4 GHM
_20-192BH2of4 GHM
_20-192BH3of4 GHM
_20-192BH4of4 GHM
_20-192BI GHM
_20-192BJ GHM
_20-193AA GHM
_20-193AB GHM
_20-193AC GHM
_20-193AD GHM
_20-193AE GHM
_20-193AF GHM
_20-193AG GHM
_20-193AH GHM
_20-193AI GHM
_20-193AJ GHM
_20-194AA GHM
_20-194AB GHM
_20-194AC GHM
_20-194AD GHM
_20-194AE GHM
_20-194AF GHM
_20-194AG GHM
_20-194AH1of4 GHM
_20-194AH2of4 GHM
_20-194AH3of4 GHM
_20-194AH4of4 GHM
_20-194AI GHM
_20-194AJ GHM
_20-194AK GHM
_20-194AL GHM
_20-194AM GHM
_20-194AN GHM
_20-194AO1of4 GHM
_20-194AO2of4 GHM
_20-194AO3of4 GHM
_20-194AO4of4 GHM
_20-194AP1of2 GHM
_20-194AP2of2 GHM
_20-195AA GHM
_20-195AB GHM
_20-195AC GHM
_20-195AD GHM
_20-195AE GHM
_20-195AF GHM
_20-195AG GHM
_20-195AH GHM
_20-195AI1of4 GHM
_20-195AI2of4 GHM
_20-195AI3of4 GHM
_20-195AI4of4 GHM
_20-196AA GHM
_20-196AB GHM
_20-196AC GHM
_20-196AD GHM
_20-196AE GHM
_20-196AF GHM
_20-196AG GHM
_20-196AH GHM
_20-196AI GHM
_20-196AJ GHM
_20-196AK GHM
_20-196AL GHM
_20-196AM GHM
_20-196AN GHM
_20-196AO GHM
_20-196AP GHM
_20-196AQ GHM
_20-196AR GHM
_20-196AS GHM
_20-196AT GHM
_20-196AU GHM
_20-196AV GHM
_20-196AW GHM
_20-196AX GHM
_20-196AY GHM
_20-196AZ GHM
_20-196BA GHM
_20-196BB GHM
_20-196BC GHM
_20-197AA GHM
_20-197AB GHM
_20-197AC GHM
_20-197AD GHM
_20-197AE GHM
_20-197AF GHM
_20-197AG GHM
_20-197AH GHM
_20-197AI GHM
_20-197AJ1of2 GHM
_20-197AJ2of2 GHM
_20-198AA GHM
_20-198AB1of4 GHM
_20-198AB2of4 GHM
_20-198AB3of4 GHM
_20-198AB4of4 GHM
_20-198AC1of4 GHM
_20-198AC2of4 GHM
_20-198AC3of4 GHM
_20-198AC4of4 GHM
_20-198AD1of4 GHM
_20-198AD2of4 GHM
_20-198AD3of4 GHM
_20-198AD4of4 GHM
_20-198AE1of4 GHM
_20-198AE2of4 GHM
_20-198AE3of4 GHM
_20-198AE4of4 GHM
_20-198AF1of4 GHM
_20-198AF2of4 GHM
_20-198AF3of4 GHM
_20-198AF4of4 GHM
_20-198AG GHM
_20-198AH GHM
_20-198AI1of2 GHM
_20-198AI2of2 GHM
_20-198AJ1of4 GHM
_20-198AJ2of4 GHM
_20-198AJ3of4 GHM
_20-198AJ4of4 GHM
_20-198AK1of4 GHM
_20-198AK2of4 GHM
_20-198AK3of4 GHM
_20-198AK4of4 GHM
_20-198AL1of2 GHM
_20-198AL2of2 GHM
_20-198AM GHM
_20-199AA GHM
_20-199AB1of2 GHM
_20-199AB2of2 GHM
_20-199AC1of2 GHM
_20-199AC2of2 GHM
_20-199AD1of4 GHM
_20-199AD2of4 GHM
_20-199AD3of4 GHM
_20-199AD4of4 GHM
_20-199AE1of2 GHM
_20-199AE2of2 GHM
_20-200AA GHM
_20-200AB GHM
_20-200AC GHM
_20-200AD GHM
_20-200AE GHM
_20-200AF GHM
_20-200AG GHM
_20-200AH GHM
_20-200AI GHM
_20-200AJ GHM
_20-200AK GHM
_20-200AL GHM
_20-200AM GHM
_20-200AN GHM
_20-200AO GHM
_20-200AP GHM
_20-200AQ GHM
_20-200AR GHM
_20-200AS GHM
_20-200AT GHM
_20-200AU GHM
_20-200AV1of4 GHM
_20-200AV2of4 GHM
_20-200AV3of4 GHM
_20-200AV4of4 GHM
_20-200AW GHM
_20-200AX GHM
_20-200AY GHM
_20-200AZ GHM
_20-200BA GHM
_20-200BB GHM
_20-200BC GHM
_20-200BD GHM
_20-200BE GHM
_20-200BF GHM
_20-200BG GHM
_20-200BH GHM
_20-200BI GHM
_20-200BJ GHM
_20-200BK GHM
_20-200BL GHM
_20-200BM GHM
_20-200BN1of2 GHM
_20-200BN2of2 GHM
_20-200BO GHM
_20-200BP GHM
_20-200BQ GHM
_20-200BR GHM
_20-200BS GHM
_20-201AA GHM
_20-201AB GHM
_20-201AC GHM
_20-201AD GHM
_20-201AE GHM
_20-202AA1of2 GHM
_20-202AA2of2 GHM
_20-202AB1of2 GHM
_20-202AB2of2 GHM
_20-202AC1of2 GHM
_20-202AC2of2 GHM
_20-202AD1of2 GHM
_20-202AD2of2 GHM
_20-202AE1of8 GHM
_20-202AE2of8 GHM
_20-202AE3of8 GHM
_20-202AE4of8 GHM
_20-202AE5of8 GHM
_20-202AE6of8 GHM
_20-202AE7of8 GHM
_20-202AE8of8 GHM
_20-202AF GHM
_20-202AG GHM
_20-202AH1of2 GHM
_20-202AH2of2 GHM
_20-202AI1of2 GHM
_20-202AI2of2 GHM
_20-202AJ GHM
_20-202AK GHM
_20-202AL GHM
_20-202AM GHM
_20-203AA GHM
_20-203AB GHM
_20-203AC GHM
_20-203AD GHM
_20-203AE GHM
_20-203AF GHM
_20-203AG GHM
(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
Derivative Ultraperfects
Nonultraperfects
Simple Primitive Imperfects
Triangled Equilateral Triangles
Orders
History and Theory
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