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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
_20-157AA GHM
_20-157AB GHM
_20-157AC GHM
_20-157AD GHM
_20-158AA GHM
_20-158AB GHM
_20-158AC GHM
_20-158AD1of4 GHM
_20-158AD2of4 GHM
_20-158AD3of4 GHM
_20-158AD4of4 GHM
_20-158AE1of4 GHM
_20-158AE2of4 GHM
_20-158AE3of4 GHM
_20-158AE4of4 GHM
_20-158AF GHM
_20-158AG GHM
_20-158AH GHM
_20-159AA GHM
_20-160AA GHM
_20-160AB GHM
_20-160AC GHM
_20-160AD GHM
_20-160AE GHM
_20-160AF GHM
_20-160AG GHM
_20-160AH GHM
_20-160AI GHM
_20-160AJ GHM
_20-160AK GHM
_20-160AL GHM
_20-160AM GHM
_20-160AN GHM
_20-160AO GHM
_20-160AP GHM
_20-160AQ GHM
_20-160AR GHM
_20-160AS GHM
_20-160AT GHM
_20-160AU GHM
_20-160AV GHM
_20-160AW GHM
_20-160AX GHM
_20-160AY GHM
_20-160AZ GHM
_20-160BA GHM
_20-160BB GHM
_20-160BC GHM
_20-160BD GHM
_20-160BE GHM
_20-160BF GHM
_20-160BG GHM
_20-160BH GHM
_20-160BI GHM
_20-160BJ GHM
_20-160BK GHM
_20-160BL GHM
_20-160BM GHM
_20-160BN GHM
_20-160BO GHM
_20-160BP GHM
_20-160BQ GHM
_20-160BR GHM
_20-160BS GHM
_20-160BT GHM
_20-160BU GHM
_20-160BV GHM
_20-160BW GHM
_20-160BX1of2 GHM
_20-160BX2of2 GHM
_20-160BY GHM
_20-160BZ GHM
_20-160CA GHM
_20-160CB GHM
_20-160CC JDS
_20-160CD GHM
_20-160CE GHM
_20-160CF GHM
_20-160CG GHM
_20-160CH GHM
_20-160CI GHM
_20-160CJ GHM
_20-160CK GHM
_20-161AA GHM
_20-161AB GHM
_20-161AC GHM
_20-162AA GHM
_20-162AB1of2 GHM
_20-162AB2of2 GHM
_20-162AC1of2 GHM
_20-162AC2of2 GHM
_20-162AD GHM
_20-162AE GHM
_20-162AF GHM
_20-162AG GHM
_20-162AH GHM
_20-162AI GHM
_20-162AJ GHM
_20-162AK GHM
_20-162AL GHM
_20-162AM GHM
_20-162AN GHM
_20-162AO GHM
_20-162AP GHM
_20-162AQ GHM
_20-162AR GHM
_20-162AS GHM
_20-162AT GHM
_20-162AU GHM
_20-162AV GHM
_20-162AW GHM
_20-162AX GHM
_20-162AY GHM
_20-162AZ GHM
_20-162BA GHM
_20-162BB GHM
_20-162BC GHM
_20-162BD GHM
_20-162BE GHM
_20-162BF GHM
_20-162BG GHM
_20-162BH GHM
_20-162BI GHM
_20-162BJ GHM
_20-162BK GHM
_20-162BL GHM
_20-162BM GHM
_20-162BN GHM
_20-162BO GHM
_20-162BP GHM
_20-162BQ GHM
_20-162BR GHM
_20-162BS GHM
_20-162BT GHM
_20-162BU GHM
_20-162BV GHM
_20-162BW GHM
_20-162BX GHM
_20-162BY GHM
_20-162BZ GHM
_20-162CA GHM
_20-162CB GHM
_20-162CC GHM
_20-162CD GHM
_20-162CE GHM
_20-162CF GHM
_20-162CG GHM
_20-162CH GHM
_20-162CI GHM
_20-162CJ GHM
_20-162CK GHM
_20-162CL GHM
_20-162CM GHM
_20-162CN GHM
_20-162CO GHM
_20-162CP GHM
_20-162CQ GHM
_20-162CR GHM
_20-162CS GHM
_20-162CT GHM
_20-162CU GHM
_20-162CV GHM
_20-162CW GHM
_20-162CX GHM
_20-162CY GHM
_20-163AA GHM
_20-163AB1of2 GHM
_20-163AB2of2 GHM
_20-163AC GHM
_20-163AD GHM
_20-163AE GHM
_20-163AF GHM
_20-163AG GHM
_20-164AA GHM
_20-164AB GHM
_20-164AC GHM
_20-164AD GHM
_20-164AE GHM
_20-164AF GHM
_20-164AG GHM
_20-164AH1of2 GHM
_20-164AH2of2 GHM
_20-164AI GHM
_20-164AJ1of2 GHM
_20-164AJ2of2 GHM
_20-164AK1of2 GHM
_20-164AK2of2 GHM
_20-164AL GHM
_20-164AM GHM
_20-164AN GHM
_20-164AO GHM
_20-164AP GHM
_20-164AQ GHM
_20-164AR GHM
_20-164AS GHM
_20-164AT1of2 GHM
_20-164AT2of2 GHM
_20-164AU GHM
_20-164AV1of2 GHM
_20-164AV2of2 GHM
_20-164AW GHM
_20-164AX GHM
_20-164AY1of2 GHM
_20-164AY2of2 GHM
_20-164AZ GHM
_20-164BA GHM
_20-164BB GHM
_20-164BC GHM
_20-164BD1of2 GHM
_20-164BD2of2 GHM
_20-164BE GHM
_20-164BF GHM
_20-164BG GHM
_20-164BH GHM
_20-164BI GHM
_20-164BJ GHM
_20-164BK GHM
_20-164BL GHM
_20-164BM GHM
_20-164BN GHM
_20-164BO GHM
_20-164BP1of2 GHM
_20-164BP2of2 GHM
_20-164BQ1of2 GHM
_20-164BQ2of2 GHM
_20-164BR GHM
_20-164BS1of2 GHM
_20-164BS2of2 GHM
_20-164BT GHM
_20-164BU GHM
_20-164BV GHM
_20-164BW GHM
_20-164BX GHM
_20-164BY GHM
_20-164BZ GHM
_20-164CA GHM
_20-164CB GHM
_20-164CC GHM
_20-164CD GHM
_20-164CE GHM
_20-164CF GHM
_20-164CG GHM
_20-164CH GHM
_20-164CI GHM
_20-164CJ GHM
_20-164CK GHM
_20-164CL GHM
_20-164CM GHM
_20-164CN GHM
_20-164CO GHM
_20-164CP1of2 GHM
_20-164CP2of2 GHM
_20-164CQ GHM
_20-164CR GHM
_20-164CS GHM
_20-164CT GHM
_20-164CU GHM
_20-164CV GHM
_20-164CW GHM
_20-164CX GHM
_20-164CY GHM
_20-164CZ GHM
_20-164DA GHM
_20-164DB GHM
_20-164DC GHM
_20-164DD GHM
_20-164DE GHM
_20-164DF GHM
_20-164DG GHM
_20-164DH GHM
_20-164DI GHM
_20-164DJ GHM
_20-164DK GHM
_20-164DL GHM
_20-164DM GHM
_20-164DN GHM
_20-164DO GHM
_20-164DP GHM
_20-164DQ GHM
_20-165AA GHM
_20-165AB GHM
_20-165AC GHM
_20-165AD GHM
(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
Derivative Ultraperfects
Nonultraperfects
Simple Primitive Imperfects
Triangled Equilateral Triangles
Orders
History and Theory
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