From 02eb5f2f135ed2568a03bdfa9f847b65e2f00e00 Mon Sep 17 00:00:00 2001
From: Anton Firszov <anton.firszov@sapagroup.com>
Date: Fri, 18 Aug 2017 18:37:16 +0200
Subject: [PATCH] PngDecoder is covered now, and proven to be buggy :P

---
 .../Formats/Png/PngDecoderTests.cs               |  12 ++++++++----
 tests/ImageSharp.Tests/TestImages.cs             |   1 +
 .../ImageComparison/ImageComparer.cs             |   2 +-
 .../ImageComparison/TolerantImageComparer.cs     |   4 ++--
 .../TestUtilities/TestEnvironment.cs             |   2 +-
 .../TestUtilities/TestImageExtensions.cs         |  14 ++++++++++++--
 tests/Images/Input/Png/SnakeGame.png             | Bin 0 -> 6958 bytes
 7 files changed, 25 insertions(+), 10 deletions(-)
 create mode 100644 tests/Images/Input/Png/SnakeGame.png

diff --git a/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs b/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs
index 5f4055a936..1d40163d10 100644
--- a/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs
+++ b/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs
@@ -12,6 +12,8 @@ using Xunit;
 
 namespace ImageSharp.Tests
 {
+    using ImageSharp.Tests.TestUtilities.ImageComparison;
+
     public class PngDecoderTests
     {
         private const PixelTypes PixelTypes = Tests.PixelTypes.Rgba32 | Tests.PixelTypes.RgbaVector | Tests.PixelTypes.Argb32;
@@ -19,17 +21,19 @@ namespace ImageSharp.Tests
         public static readonly string[] TestFiles =
             {
                 TestImages.Png.Splash, TestImages.Png.Indexed, TestImages.Png.Interlaced, TestImages.Png.FilterVar,
-                TestImages.Png.Bad.ChunkLength1, TestImages.Png.Bad.ChunkLength2, TestImages.Png.Rgb48Bpp, TestImages.Png.Rgb48BppInterlaced
+                TestImages.Png.Bad.ChunkLength1, TestImages.Png.Bad.ChunkLength2, TestImages.Png.Rgb48Bpp,
+                TestImages.Png.Rgb48BppInterlaced, TestImages.Png.SnakeGame
             };
 
         [Theory]
         [WithFileCollection(nameof(TestFiles), PixelTypes)]
-        public void Decode<TPixel>(TestImageProvider<TPixel> imageProvider)
+        public void Decode<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : struct, IPixel<TPixel>
         {
-            using (Image<TPixel> image = imageProvider.GetImage())
+            using (Image<TPixel> image = provider.GetImage(new PngDecoder()))
             {
-                image.DebugSave(imageProvider);
+                image.DebugSave(provider);
+                image.CompareToOriginal(provider, ImageComparer.Exact);
             }
         }
 
diff --git a/tests/ImageSharp.Tests/TestImages.cs b/tests/ImageSharp.Tests/TestImages.cs
index 527b78ae6b..66ca93bd23 100644
--- a/tests/ImageSharp.Tests/TestImages.cs
+++ b/tests/ImageSharp.Tests/TestImages.cs
@@ -31,6 +31,7 @@ namespace ImageSharp.Tests
             public const string Bike = "Png/Bike.png";
             public const string BikeGrayscale = "Png/BikeGrayscale.png";
             public const string Rgb48BppInterlaced = "Png/rgb-48bpp-interlaced.png";
+            public const string SnakeGame = "Png/SnakeGame.png";
 
             // Filtered test images from http://www.schaik.com/pngsuite/pngsuite_fil_png.html
             public const string Filter0 = "Png/filter0.png";
diff --git a/tests/ImageSharp.Tests/TestUtilities/ImageComparison/ImageComparer.cs b/tests/ImageSharp.Tests/TestUtilities/ImageComparison/ImageComparer.cs
index b13905ef57..80102e6010 100644
--- a/tests/ImageSharp.Tests/TestUtilities/ImageComparison/ImageComparer.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/ImageComparison/ImageComparer.cs
@@ -10,7 +10,7 @@ namespace ImageSharp.Tests.TestUtilities.ImageComparison
 
     public abstract class ImageComparer
     {
-        public static ImageComparer Exact { get; } = ExactImageComparer.Instance;
+        public static ImageComparer Exact { get; } = Tolerant(0, 0);
 
         public static ImageComparer Tolerant(
             float imageThreshold = TolerantImageComparer.DefaultImageThreshold,
diff --git a/tests/ImageSharp.Tests/TestUtilities/ImageComparison/TolerantImageComparer.cs b/tests/ImageSharp.Tests/TestUtilities/ImageComparison/TolerantImageComparer.cs
index 23e5761806..0351b00200 100644
--- a/tests/ImageSharp.Tests/TestUtilities/ImageComparison/TolerantImageComparer.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/ImageComparison/TolerantImageComparer.cs
@@ -66,7 +66,7 @@
 
                 for (int x = 0; x < width; x++)
                 {
-                    int d = GetDifferenceInPixelByteSum(ref aBuffer[x], ref bBuffer[x]);
+                    int d = GetHammingDistanceInRgbaSpace(ref aBuffer[x], ref bBuffer[x]);
 
                     if (d > this.PixelThresholdInPixelByteSum)
                     {
@@ -92,7 +92,7 @@
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static int GetDifferenceInPixelByteSum(ref Rgba32 a, ref Rgba32 b)
+        private static int GetHammingDistanceInRgbaSpace(ref Rgba32 a, ref Rgba32 b)
         {
             return Diff(a.R, b.R) + Diff(a.G, b.G) + Diff(a.B, b.B) + Diff(a.A, b.A);
         }
diff --git a/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs b/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs
index 7cfc5c6e40..9b2f7c479e 100644
--- a/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs
@@ -119,7 +119,7 @@ namespace ImageSharp.Tests
             return Configuration.FindEncoder(format);
         }
 
-        private static IImageFormat GetImageFormat(string filePath)
+        internal static IImageFormat GetImageFormat(string filePath)
         {
             string extension = Path.GetExtension(filePath).ToLower();
             if (extension[0] == '.') extension = extension.Substring(1);
diff --git a/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs b/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs
index e4563df4fd..17d75ff3f2 100644
--- a/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs
@@ -7,7 +7,9 @@ namespace ImageSharp.Tests
 {
     using System;
     using System.IO;
+    using System.Linq;
 
+    using ImageSharp.Formats;
     using ImageSharp.PixelFormats;
     using ImageSharp.Tests.TestUtilities.ImageComparison;
     using ImageSharp.Tests.TestUtilities.ReferenceCodecs;
@@ -137,9 +139,17 @@ namespace ImageSharp.Tests
 
             var testFile = TestFile.Create(path);
 
-            using (var original = Image.Load<TPixel>(testFile.Bytes, SystemDrawingReferenceDecoder.Instance))
+            IImageDecoder referenceDecoder = TestEnvironment.GetReferenceDecoder(path);
+            IImageFormat format = TestEnvironment.GetImageFormat(path);
+            IImageDecoder defaultDecoder = Configuration.Default.FindDecoder(format);
+
+            if (referenceDecoder.GetType() == defaultDecoder.GetType())
+            {
+                throw new InvalidOperationException($"Can't use CompareToOriginal(): no actual reference decoder registered for {format.Name}");
+            }
+
+            using (var original = Image.Load<TPixel>(testFile.Bytes, referenceDecoder))
             {
-                //original.DebugSave(provider, "__SYSTEMDRAWING__");
                 comparer.VerifySimilarity(original, image);
             }
 
diff --git a/tests/Images/Input/Png/SnakeGame.png b/tests/Images/Input/Png/SnakeGame.png
new file mode 100644
index 0000000000000000000000000000000000000000..96d72b38aa9d97408ddc99d6a3f8a793a3fd8895
GIT binary patch
literal 6958
zcmb_>cTiJn*KYt7f|LYMKtc&!n)F^nfKa5WG$}!ffPnNS(gK8PkdD%e^j@T6C{k5G
zx`6afK%_|ha^5p@&$-`y|Gaz8o@Zw5dDc9u?%(?DNL_6;a?*RG004ko9Rb$|00{W-
zk1PoxUUJmW(1c%ZdFX2!0OtO>t@i8O@e<%mgfV`l=>F>=NaCen008cNQHLu%@|oGq
z@K1z1&iEYIVLJZCmkWv2qGD2KA+Ta;r2=Lzg+O{Nli8eEqBBKuSxB09_JWry?){is
z)*Erh5Rs@pS$^gkOit+vX4R;X^$M2dq_n~W$8?cl)NS7mm9~`bUG6fEA0jq99uIpI
z_&0ZCbv?6mHgsO_SMYRsJZEwFvAjGM0O(Q90Rn<h07aOtY|MnoyGUj=nK*F2DICI;
z@x@v-%APAh`vc=-HZ2QMW$bK72N!Tr;2QYKWwx;Xx;BaXFmLwiAWY(TU1<M^mZ|yT
ztvjv7>0;&e&SnhagyGu1%O*v@xMrm$sj+=xJR&X#Wf>zN-PX~#uDB2c0;>lG2KrTX
zd}y2;fx)eQgv!ZXDi`Mj6R2%hn7zvk@KobjriynpIQRG0kK<&O5R**xQd^(Zx=y#a
zI&NTgnmYZgR&L1rYIS#BLB91kuXNAFY3^cJXJYOI*Wvwbucu3uI&os_``q<5?nk@d
z+@P28A+7V}@xoIdtb)b$B++Qq@^IXnfXxNx>m9X;%iqKc=Lgiob`LVGe%oDLF*9Ag
z`J6dBaWrN8fr?!As@7%h>Z0^e-nWa=<?>?hGn3Ke%L7CC>P{Ix(*vnkPnYY0?K!yW
zj*oK9aY$vr*YoiM_jR3Z&7amWX&~!Op92Yo-#g=uuLE!$bEgX(7YA1{IiY^5je*V1
zyK=Kx<{c*)y9$Brjz_r3h0A)!g}qs|@iCXC;}T7m(}~Bl0YT6AziYPF?4_xV2F^?*
zxM{a+t$~Rm(T{h^3b^KvDkYwdxw%iqaBw{w&U_VdTz|dw$80bq!!Bo2h??-t+-?R#
z*4Zxk*Xv|7`Yr{XvZ(*3oiq4#-7|E!-!c1ohD@Wp(l}Ru&#`O7YmYPgTDvK+(fod~
zh=m+==2zQSYBN`d#hzT8B9uQ|x7i+CjN2)=jRt#rm0k68t-s!iwj0h2PmVyb3=VC^
zt_Ljj;$8=+)LUO&9JjA^Lm6o*%fEVDTIiS<9^o#><^$G!CNVhgy?~9J&;Zc_D3Vt*
zuGnRRUJHl&(d;)&lybFOqQZq$L>L{&9@NS-DqOm=rb}IyRld4fHefpYz);~YZeO~x
z^XBzQgH9~Jao~?lX8AQ*iC0(A<B8Kvl?zWw3Xvw~2`ASMBfyBSMIC`FNi**9?(-0w
zLPG4}gABR-)$I;lJA(lSlX|x`wuPqEG_y;Wy1-cUT9)V0uthU>TqZYFjFV%}s^!V7
zsaN~v<<qfmKE0c_JuD{IoLnR$i<xEpkyv3Fi8k?*ov~+rFV~O1_<j(*^gZ7T{&ZPU
zxFCDxGq}5uX1M;s-YHfr>(N3-<sK^G!;`U!awjgnR9t&w%WS56W3lrPe^$=!JM(E=
z_j=arC+_4f3k~(_KeJCt!+R5SECi_=iCLigT%OsN?<D4a2pqX4$UAQixXgK|ydUAg
zfFNdP{xjZf^%BWN>47sL?0fbw7@)KJQy2h%0Ra#se-}4EF`jNtXl!<Nc62o4E<pk#
z60GvpGP2fasG_J&S9J<xP%LZMwo@}$(X!Xv#X%Dv98BN=P5p6;XH;xO+@x5lL1a)^
zz2Qu2i9ciGWjWKc0(3t6R$9Nc+Ykz%<wwNt_Mzze{fVnL92seO&)z*qT*-PLZZ{U$
z@m!3Bui&xMQ|gdkN|XEFiYMB69eeK~;8us<us*n7CBF{_*flC<FrY+WFK443<H!7g
z?<?*5nqM2vQ#gOqaF9|Ff_h9uKNUAMh=?qN&*T_beW^~K!hnLf*<%dWZe;QA7ADU<
zqcJ7}5}*}f(J>a*DMoy*xm3~DA*gIE%apR$S+w-EYz~M%680M`Avy1pSKbM1zOvad
zr}o#WjZVWWvc<-*U*(p1N%<BIZ1JZ}nJeEDfdcdpMbleC<X;PycAcGxBnlkGZ60MI
z@0Ulzc2WseL&e~cUUIwDIqiqbn}3ANx~zm`tZ)+Jrov(j8K*6(HX3{NvUsb&uo4R@
zmnN?_uIa*iLdn(r8tO0JG_=HybMY8N)rX_9TkjUYCP2k?)hF~d_1sqcJ5=^O_56AG
zt@TmiQy?kf`wr0zBKZCcV1WVvRD=K^!T%Ll0Q-%<r1+QkaN}R%d--2c$4mdeZPAi{
zA*!_63DfFUii#o&48LtGncJ1D%82R{WWV7%Aq!JqbSS4HxRppoDNi9-Xajfaz~)69
zF-{;UOi4Wj+3zPS*^FvoF`yM`&Cg+PyselOj4U|H`t0`UIhAwK<NGg%MYPGIL8UwO
z<mXJuk$1qfTU8OX6u-ww&4@?YiIaR=7dy>ohb=j8NZrk47g}5vuC@s{3QjB-na)+@
z&|It<84pHt5C3}gFtD;9@}`8XA_d<fkCL~VUtu1Po(3!s)TXbbj2a>3nC>%*Bji)P
zT}_t(NCgsb3;$gs|Mr${+D|E{BqT1|`aZ;~)e{3zSQX$~c6>R6N(uqd*I|9q`5(E0
z5hQV_!O_ZWq{kp373;%iFi<t*W<(sNSL%Gshd{vqo$`hY?KUekS$v>12ps>M6<YI(
zHMFM7fLbViRiQnvTp82J8=XI6L`(i%tfe|gm6Td2AypCFg{d0V-k^Ug*C206K10P_
zl#&Jyx%pjK=qAs5IX<vvP|!?gL~K3<t80$2_D-m>*e9-s(KSh(S|n~+`D5(#6s@dD
zf{xWc!`P%>eA;Gt3(73n)s5EVv|Xz*e2b~7SyKke7x6An*j<UW?vIdMV`J$7QDlGT
z(ErLTMQ~@AAK(`on~dd!a$4`5Ar!t?*!tGNUkvHh1gY6?{6tVgZby({hr)$@Wft)E
zX9FnS>WYg;QJQ(JjU=OCYI^vP{X}aQV`j1CiY55Q1mjoF<EO+sp5X6<{XhNbpEOQV
zQ`up(fv&c>PG`l#AP<oO=8U;l4y%uep{9Mp=1dtsbF`M#Ner&2cyjVzmg_wZ=l>O`
zc82EtV^PG^YV8r0SD{QFD0YoyZTLo0o_J#p9gY(8O@I5LX~OPAr+hN`4T?3qty9Zo
zU0{7zL%3_2?3I3W%>A-gBFXSa5ugZ0{-N$q9VSZKf?w8b7IuX2Uc|!hy5_}!eO(&X
zS%647Aaec<hwQ^yO=8EA7}A#lU85B=Te=|@!`DCO|G;kKXf?GX^;5%uL4CvwB5aBG
z7d%A(1thH7)u3)GkKBliQ!8?S?g}p_;2)#^uH7O<o^`35mD5dK$w?P$D~>$gSEAdX
zZ0l?@GXmhzbAene#Cc`qTFw@h`^{J`q@fUHe}X1eGa-&D+|QTwCWhD(0^P-9C{pSi
zMl)-ojXyq>ThU!u0KwASB-p4UG`EEsNNCIOE@G=BI=|yn*WM_X>}rHMd_U0xq8|t+
z`E&UvR~?1;6JZdKc}~Sz)B5F$|5Uaos2c7NTVK|JOs1xsvcj4_;Y10yxr7C^=;+mc
z_G;wR4`={)=$bM4_5@j|-y>f>d^1M=SW=e}z7!tkzGP1!U28*)MN!)D1On5Hp>eEM
zkV1k%$Rm>rMiL=78xN!?9}yx|&{fVa#V~-nK!r77334K`1kW{6&sBHz1R!Pkpf|kz
z`p-cFiOao&>und=LXEy5VPE0;A8ED(kJ+9jXo@T+5(D!-VN!RJ+UQ>!gCgk1!uTK~
z$gaD`-&k#pV76b(^OaN(Mn<BMn!QlhK1p_4(G+3!{KV%@F-T>NND>i$9;`CLs88w}
z2R*BZ;vQfVI!Zy0D=@ohvL2WB^8Sr%JE`ZR_Pf$nM)U<VBL3IieZi=kiI}ItL@T}W
zbuTBD4BFB_q;dO^)>~S$>a`#d5rzFuqIpqtKZxq?erBvBduaZL4AHzlx$XyXX<b!T
zY1B!s;mpOCD_jatTqJ}Hg}N#H&A+K8zyG66i+W8qKj-rTkfn&aE+u)qOsgEJB5Vki
zbB7d$QFH%P+k8V|=aiIrSQ_o3ejm3;Eej>H#j=Sa!{LIVvED0p=705zWNB`2e>}J$
zl60-LQS*Do&rsN`G--iTAAE24uCSN2O&=NhJWdj*NqIkku>k3nc!U2bYXnDRd=2k;
zch3;k8Y}valO5GRju9A<AG}09^R9mqte+RFDi?cKoHcGlS=!y+?Rm*=;^k>HP|Tr4
zyX;rSI^jb{I5gyED#G`E7D&aFF5F&MU8CuWR9~Dq_2g^U%J*Jt$a>IfVWO0^-~Ce$
znyso&w}}P%VX&B08N0C$VQtOIG(BKhQC1q(>E%V*MVOTl<ZeoDnNG;s&_KZAisYB$
z-B}%})x@nWhi60El^ybSU*5x6!FyF&X<D|+y|JO8p#~qc&FY@V+Zg}3`ppvG3OSCd
zDofEHNv@1x5Xp-*z;uv){`T!#x|pN*iz!98$+p79A|(+K5t4FrWTe_*yd=fqweMtw
znU4IQ6*KR-B<&Bk#lS&%L`)O33BA3&j51z)#x?mB70xSx&a(~WZEXSlZ#h0Q`S0*n
zwz?fp+wm5NyUfeF%(u?W%$T)!4ZoMFZEw#+3#Sdu)H^C%ZtD2kKtB8Ke<Jqx_kZ{9
zos5i3<BRFs#OBkbXs6lvI{UGqG?7N9*#?iz(Y?JriG^40o1+Ew_4Ufi$`9I4tz?-L
zaIJ?{)pUOO+&_^4LdBJp7Og%9;p7aedyWc+Ln0mLbGYV~7F^SMW<^B>UXiDlSK-*^
zc&VYwbWM-voagpLERDR+ezuKq^j&^^4X_^HUDGBv8v_FaJG=FOletE_ubGqP{=0iE
zI4`r4#R%rtOOae&J5vXjxWH??*4dA)%Xx3)r6nbOaBU~;2fYlYjm~DZwz12S8(@S{
zB%ev$MuzwN=FSc~>!hcI%lwb;-yfNp$~eu`8CnE*9xU~gmzU#r&cEf*Y;ak4{j)RJ
zM|SUFC_GW4fGQH@Gz+iu+MU6B^H)h}h2LJ&y6sTvUvVj|Z1+3+y(uRr2e+O*j=IBJ
z(RMsjQc~hr(X{5Cb^g@b`^40xZPiR&J4?O|e>FDJ&Jh54<Ke6aIg|k#({@?oCNgnj
zlapMmCfkLDh10cmS+9QeJ2^Sw&qHhO0|oE?XgaJL(`J~yV`gYLiN6*Wbl`?hU3-)%
z<vf;SC4>(%<@_r;uFhm|tp<*}No9BkS614s8S&Z9HaN{z8<ka7eszUBixFCj5&2S7
zQUdc<#FE;43b~nVvpe6`f<J6=vHjkUroVKy`W}{)mX?;36l$f7PE2@R9DJS}AD6rQ
zJ@z5fZwvqFxOY!m_MrP5*Aa-DZ%flE%*$I|O|h_Do0ynb9ZXqp8{{V^C-=SjVO(q5
zV^tmfpxtM>#s)8%k0E72-uyHa2@gTH&T@HrdJeT(^+e&dmJ}4&T%H{b4-dmd@pa=P
zo2kY5RrYWQ&N?zRC3(y;nDW4)?)ivB`$24Sa<a_c$7lFp(LR0oNoxIl?d!`kyf7|~
z!X;OeGl4BIm)7+ig57pF-Sg_t`hwT2lf~th;qt*pLwa3Q{I`jTwaf2gW3^U2q;&{w
zcsJd$<d-Bv^QITmHNwo)aNr`nbD5GUfx<5@K6gtkS)`_BwEjR1A5M-op>B{G>n;-6
zF*_?MLA~)i5&0*j(A%3`|1$Yn`9GF>j6IzHY7`s<Ao|tUoSZ0rQ$C#x$4SAYA|${9
zC9$9HzOCkJ%#n{yLQSP@)V8Q_3%t<m!--cQG!P`DLc^}{<YnSNEXy3al66KyUu2Up
zH;c&FDVc82P3luwwdCQO9s$SC<q?apUKB(9<!W2(cy6LD0BA31!f&C@sgHdqEuOv}
za-k5a%c&b_gf%eRCfc;tB0YUw)}?W4AjHA<_9*5gcOOlt<wv8JD{8yFh!VU3WOH2V
z_wTwalAyUqFsO$>hx4ph(NHCS>)hJfn)&F;mULu#NuyV<7n%l7U=aOiZ^wF6v1=W^
z&?!e4PR`C(h0-WaG56aHqctbFzE{zYQu)4NGI(}R9;0#VqHp==+%%zBeh^fv@4ybe
zDT_jdiGK4hZjrzaoUb+{BkuIXt#$)xL@RPX-P4$owz2;tN&?JlpVkGcYx9BMm7Byp
z%*h@cVV_O*_PUqHjNcFb5@B;C7D?kCBMClTYw9VJy{sY)L#f%x^Z5fK0+u?N>CHo6
z9s78&j7QQ+n^c0R4|NXj8nH?uXZW$82QoNa$4O;-N_&|0u#Za>GLq*5byLS9&9G(x
zGO^UUlpv)jQ7PeV!5;E>TMI|!EQ3)#VtyyO9Ib2sA=4Eb@fn)N#g}LP;WXfmE$bFq
z>iY45f9GiUVGma%8cM~flHa{9kfiC>DLj|#g_R&=zae#thq_o$!}t%8bzY@w5kriC
zrs2>g+U8_>HG|Zhi)28m<=)*Cb!C`t)gAM?)!VY3?x_Yrpn|kpiR$i{DFtA)G^3#i
zo(L=EqQ^-+2g*)$yZ>kE`Y(eO52b7wu^J4E5>`LpW#CTS+^-Bz1109adOOzwff#)E
zR*XUeX?<30<fsuO8Z-}Bl(6cOkby^uq#_a0HrCW4Nki`>s~|U<o_I|snSRsdTn&he
ze!Pf>w(~A&ktjjxkhd8?DUYWiJYL)hcS`D9++cV;UEPR5TE9!kOc9kIKjgoHc08oa
z{?*wahKcy4NfMd{(z<ufzA`aj70!;>P_QUU6wXwJVI0x=rzk-c$T+KW>e4*#cCoc+
zw;Rn$x)DXJD#`D{(_CAdTtPjWu9k;QaG1XkbqHJR7zT*U_c2a`Kl)gyy7QQBP)|4a
zOvtrQR?R&9eCctj@+xM@%8-sK<T<DIBRVQVLG|FjNX7qWXyqoHl97f=o=$wwJ?Ft=
zzcTjdDw0Sg7#+fBhGZJ<nzyuceP&0`rW7>%EtB^u%;pi_!Q2-8MU_UrYQ!uFXM!k{
zOc|@*9#<*k@LGCgXUbK7M+AYW6^y4kp044}jbztFf}zT+T2V%;DVp8U3qXBh@wYV2
zf>3k*N;N7h&HX4V2oR~k6-7uDclg5*IO*uPdR2Vepg)@$nGL?z`Vt;7tT%NcvJ+79
zoLciEO0eq#FI-RSxKt^ZXE9YUJ)~8)us;E$3WaJ(l_PR~=D2H)XrmD%M1W2)<b4YT
z?PFe8P};wkmw!P1Dsd)t9CQ56!t}K)Oo-y}C;w?)lP={!F0bsxT=b>%c0XhQmG<&t
zZcjxJ#dzOFT_aLpJ}&?~f}EKE(NihGQr%c&KHr>adH}C{LS8t9w!maVh2dKH7t6rf
z;KqUL@*^mPjJ{+iQk|Oo{utO@_-Wm#tZni>erCzhTK$=QV<;U9w?<qUjdjRmYFDo`
zW^X99J-dC*Gy$?Py2Y2Um>VYC|B(vIQq%~6Jj&6J5+vurBmDEEgKEoBCvgtpZWXev
zbVV555b91ia$+cbS`CZd%Y_HH+m4!PCX#&=BKpVLe^-s-YH-96HJs4yAz1Xu?*OGw
zXM`fi>EBHV?ph7I+1K=$Bpi=mboYzD1fiC3e#+L8-HIbmFREJH<QTUwqv`rvxB1k#
z0PANdI>x=tq9JknA#&I-;UsMfOV0O-lefcWT3vh>MOZ@81o3JfBo=$v!Vr?Li68g9
zXYE=P$^J<VJ(N^VV?h>FSP+~MQV}Zt`*8m`a_)av@JFKf>?8=`MA7rdibq#Hz<>$~
zTjXBA=t7?tqWxgqx<$H$-$ryWRVXePDMyYa?m3NMEpX12<2$WUoOV907Ah1W;2HN+
z{@wGNG#4*63YwQXkv32D1A^0D5>nh69uOU!SQI}G{TU#XsmlqYQ86wH!6rongFWHd
zVSVS5LO1@`4E_)2qhdukJHg}ope7{@#%@h>6Ww6wc9GcfU_cQDjYg<<$`Mn2yveR*
zs`5zENImCc6-RfDIF1d)D*Xpr?_|$`qJM*O&6O_Sib>i()Mb}35R4z_aMJ9<AgUVK
zA|zkH@lzg|n8PgTE9axPn9eTrUCtaTY-&78P*w^bn{gAfQ48-Y%ZEc;@3j#%zR^?O
zrI~0l9o{P-6Fh`TJXad+qao4aB`%G{{p<?E`)yya7NtXCARPcUfpL}yJ2-Q;vn25y
z|ElqLQXc%Jh!lv-O(#(agLLg2sn`#p9G))K@RN|x>6o$=N#v&KKDLC>k#UGJoaLrU
z*oG`b6=8a~0V;UP=D(3&oLG1!^;!6SA6UU)1FP0V0i~3=@Tb4JO@kSEQvP0-6AT6(
zlDYy9kGkX|*3}J&<5P8GpA5KgHKAj6_>N;abCesx4U{Nk8eU@F>V1cHBUMU7Ka*2N
z4BXfh2R~@GeXFYHlcycQ!&o7x=03GFi41q-iewyMc7>+*VYsbUPez@gBkZsjHkG`;
z7$-pXRGbYL3peFWhzD_ws*i}FLhRv2;6LA$y6>hJ@>5Vh;ba%}&ExKkk*AQQk{YTa
zH^&odcUvi7@Vf`JejkV}R#G05{nk?`bE$M~S8?22NJXx(Km!4ZJgf1bTLe;;ZklM6
zARq{6L4B+BBKG&&f{O~2ZbVUsiG9f5t>@o_)?bXFisk#Sz|fuMXpaa_W2U>F=(EzK
zuUZ>#C1bKB1&v3v=*0_ClkUeOp1%IGs-!JDuF5E5^zf>Q8^EpN@a)T<`pbZ1@t)Ey
uY}jqJ3<pO?<w}5He{$YmOrzqT{c9?33~sf0Nf7_L3!tu|4X=P%hWrm5@40aR

literal 0
HcmV?d00001