!ncapm 16W8 1@( B/L<CCZ }Z 1@( A @tjC{CZ i"N  1@(  /\0 0 0 ,UUUU\ HH 3.3.3.3.3.3 (11)X/P/p0/0\jU`@  tՀ + 1@( X|ZHH3pZ$ڐE o5From the article "One Corona is Enough for the Euclidean Plane" by Doris Schattschneider and Nikolai Dolbilin, published in "Quasicrystals and Discrete Geometry," J. Patera, editor, The Fields Institute for Research in Mathematical Sciences Monograph Series, Vol. 10, AMS, Providence, RI, 1998, pp. 207-246. 6. http://forum.swarthmore.edu/dynamic/one-corona/998, pp. 1@( X|U6HH3pU6"U 1 http://forum.swarthmore.edu/dynamic/one-corona/ " U6U7@"U|U7"U5` `!jP 1@( X|ZHH3pZ#pE =Catalog of Isohedral Tilings by Symmetric Polygonal Tiles #EZ#ETdUUUUZ`Z#E"  1@( AQU`10x`0QCCE V 1@( BQV0V CxCE    1@( B/L<CC? 6  1@( jHH/hpC{CZCCZ?   1@( rP/!!(HH!C{CZCC?? H 1@( C<  CCZ   1@( HJz{{}}}{}z{zCCr? '6 1@( kCC>CCv? 6O  1@( sJ0 JBy Angle p//t,CCr?CCZ? =3 1@(  PL oooo2@@@o@*o@*CC@t h 1@( IiiCCj*s ?  1@( Dl @LXCrC4   1@( lC{CZCC@t?/  1@( w6<CCj*sC{CZ?6`  1@( v@hB 6|SavemCCZCCj*s?  1@( niihhiiCrC4C{CZ? By 1@( E%^08 IAbou Marked Center/0H ZBy Fixed AeCCM:m  1@( FJz{{}}}CvwCG}` ܨ'#  1@( m$//L//0</ C|:lC?:mCC[:m?By  1@( o%^08 IAbou Marked Center/H ZBy Fixed AeCvwCG}`CC@t?6| 1@( G@ l@L;O;<>LC'CE%4 @  1@( v@hB 6|SavemCzCCC ?@  1@( B/L<CzC @  1@( PL oooo2@@@o@*o@*CrC4 */{ 1@( GՀ@ l@L;O;<>LC/CE%4 {  1@( q  JC'CE%4C{CZ?{  1@( p}{}z{z{ { }  C'CE%4CC@t?@  1@( v@hB 6|SavemCVCezCVCE%5?@  1@( B/L<CVCez @  1@( G@ l@L;O;<>LCl@C  @  1@( pճ}{}z{z{ { }  C'CE%4CrC4?!TZ@  1@( w6<CCE%5CCez?8Z@  1@( v@hB 6|SavemCC4CCE%5?UZ@  1@( IiiCCE%5 ?Z@  1@( qճ  JC߲Cj*uCCez? 0E@  1@( pճ}{}z{z{ { }  C߲Cj*uCCZ?!@E@  1@( GՀ@ l@L;O;<>LC߲Cj*u 9>@  1@( B/L<CC4 UZ@  1@( A @tjCCez )6/  1@( u| @ GAC/CE%4CCZ?/  1@( t<C/CE%4CC@t?pance  1@( p}{}z{z{ { }  CLCl@Cj*u $@  1@( u| @ GACl@C CzC?.@  1@( t<Cl@C CrC4?/6@  1@( w6<CC CC?&@  1@( v@hB 6|SavemCC@tCC ?'@  1@( IiiCC  (0E@  1@( q  JC߲C CC?)8E@  1@( p}{}z{z{ { }  C߲C CC4?*@E@  1@( G@ l@L;O;<>LC߲C  +16@  1@( A @tjCC -)>@  1@( u| @ GAC/CE%4CC4?.h8~Z  1@( v@hB 6|SavemCBCB5f?1hT~v  1@( w6<CB5fCB?41xTZ  1@( v@hB 6|SavemCCoCB5f?51hp~6  1@( q  JC=B5dCB?71xx2  1@( p}{}z{z{ { }  C=B5dCC?81i~  1@( u| @ GAC?dC CC?;1px  1@( p}{}z{z{ { }  C=CE%4CC4?*1Tvance  1@( v@hB 6|SavemCC4CCE%2?1ivBy  1@( u| @ GAC?dC CC4?.1To  1@( t<C?dC CCo?/1?Z  1@( pճ}{}z{z{ { }  C߲C CCo?!1h)~>  1@( u| @ GAC/B5dCB?21x)6 z  1@( u| @ GAC/B5jCC?.6s~/CV  1@( t<C/B5jCBԶ?/6s~  1@( pճ}{}z{z{ { }  C(B5jCBԶ?!6xA  1@( qճ  JC(B5jC{C? 6By 1@( PL oooo2@@@o@*o@*CrC@ 6   1@( GՀ@ l@L;O;<>LC&C 6  1@( PL oooo2@@@o@*o@*CC? 6 */ 1@( G@ l@L;O;<>LC/C 69>6| 1@( B/L<CCB ,6 3m  1@( v@hB 6|SavemCVCMCVC?"6   1@( tՀ<Cl@Cj*rCrC@?36   1@( p}{}z{z{ { }  C&CCrC@?%6    1@( v@hB 6|SavemCC?CCj*s?568E   1@( p}{}z{z{ { }  C߱Cj*rCC??86 T3Z   1@( w6<CCCCL?&68Z   1@( v@hB 6|SavemCCBCC?'6)>M  1@( u| @ GAC/CCCB?;6-?7ZM  1@( q  JC߱CzCCL?)6!07E]  1@( p}{}z{z{ { }  C߱CzCC@?*6!7  1@( w6<CCyCzC@?6!76 z  1@( v@hB 6|SavemCC@CCy?6 )'6ance  1@( u| @ GAC/CCC@?.6/By  1@( t<C/CCC??/6 '  1@( qճ  JC&CCzC@? 6  1@( pճ}{}z{z{ { }  C&CCC??!6@  1@( u| @ GACl@Cj*uCVCez?2@  1@( tՀ<Cl@Cj*uCzCZ?3@  1@( IiiCVCE%2 6@  1@( v@hB 6|SavemCrC4CVCE%2?5X otat  1@(  p2tGSPk(`Ryan Morgan hex theoremonO(a ? 8`C/CE%4CCZCCj*sCC?C/CCCBC߲Cj*uCCezCCE%5CC4NOP+-(,Ctago  1@( p1(`pinwhee triangleGSPk(`P?lCC4C/CE%4CC@tC'CE%4C{CZCCj*sCC?C&CCrC@Cl@Cj*uCVCezCVCE%2CrC4Cl@C CzCCC CCC߲C ,NML1#c$6:9h~  1@( v@hB 6|SavemC:B|CVB5`?<(ch~  1@( u| @ GAC,!B5^C:B|?G(ch~  1@( w6<CVB5`CrB|?=(ch~l  1@( q JC(B5^CrB|??(cxAA  1@( v@hB 6|SavemCVCoCVB5`?>(cx/P  1@( u| @ GAC,!B5dC2C~?H(c  1@( q  JCA:C C2C?7(cB  1@( p}{}z{z{ { }  CA:C CVCo?F(cB  1@( tՀ<Cl@C CVCo?E(cC  1@( p}{}z{z{ { }  CA:C C:C4?8(cC  1@( u| @ GAC,!CE%1C:C4?;(cm  1@( v@hB 6|SavemC:C4CVCE%2?'(cB  1@( u| @ GAC,!CE%1C2CY?.(cBT  1@( p}{}z{z{ { }  CA:Cj*rC2CY?*(c  1@( p}{}z{z{ { }  CA8Cj*oC:C?](c!7  1@( p}{}z{z{ { }  CA8CxC2C>?Z(c-7C  1@( q  JCA8CxCVCJ?Y(c x'By  1@( p}{}z{z{ { }  C;CCC@?U-!i7~  1@( u| @ GAC?bCzCCA?X--T7o  1@( tՀ<C?bCzCCL?^-xVert  1@( p}{}z{z{ { }  CCVC?d6B  1@( p}{}z{z{ { }  CA8Cj*pCVCez?(c