diff --git a/AOC2021.Test/AOC2021.Test.csproj b/AOC2021.Test/AOC2021.Test.csproj
index c8499da..313fc97 100644
--- a/AOC2021.Test/AOC2021.Test.csproj
+++ b/AOC2021.Test/AOC2021.Test.csproj
@@ -60,6 +60,12 @@
     <None Update="Input\Day7_test.txt">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
+    <None Update="Input\Day8_input.txt">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="Input\Day8_test.txt">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
 
 </Project>
diff --git a/AOC2021.Test/Input/Day8_input.txt b/AOC2021.Test/Input/Day8_input.txt
new file mode 100644
index 0000000..b2483e6
--- /dev/null
+++ b/AOC2021.Test/Input/Day8_input.txt
@@ -0,0 +1,200 @@
+bgafcde gfcd agc ebdgac adfceb bafeg efgca cgdfae cg ecadf | fabgced gc agc cdfg
+gbdacfe gcabfd cdb dcfba bfacg cgad fadeb feabcg cd gcbfed | bdagcef dcb cdag gbfca
+dgcbafe dbfca fbaed be cedb gefad dcfeab facdgb eba gbface | eb gadfcbe cfbad gfbeca
+ebc cb aedbf agcef badecg gaebfc bcgf adbcfge ceabf daecgf | cb bce efdab ecbaf
+fedbc cebad gfcbd fec gcdfab ecbfga dacgbfe gfed fe gefbdc | bfecag cef egdf fgde
+bafedc baefg dbfga daegcb gae egbcfa eg cefab fgce decbafg | abdgf cgfe cedgba befga
+dcba fagbed cgbfed dgfbeac da dag acbgde fcaeg becgd acgde | agd bacd dga gbecad
+ec aebgcfd fecd bagfec efagd edfgab cgdfea dgcab ecdga eac | ce ec ce gbacefd
+aegdbfc fe dacbf aefbgd aecgb cdfe ebadcf ecbfa cbfdga aef | dfce fe fcde afebdgc
+bgaf gcbad cagdfb gb dfbeca degfcb bfadc cfgeadb bdg agcde | fdegacb acbefgd bdg gafb
+gdecba dcae ec dbfeag bgead dgbce gec cgefab dcbgefa cdbfg | afdbgce agbfde abcgefd ec
+gacbefd fgbedc egafdc adf fcbae afedb ad bfeadg adbg dfgeb | ad degcfa ad dfbge
+fadebc baef eadfcg ebgdc eda cfgabd afbdc ea edcab cdgbefa | aefb ead ea ebaf
+badgecf caefd aebfdc fecbdg fadcg fed de ebad abgecf bceaf | ed gcfebd aebd gfdca
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+eb aedcg dbfcge cegdbaf gfbe bed dagcbf dacebf dcfgb dbceg | gbef dbe fegb eb
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+cfdagb ac gcfdae cbad bfgda bcfedga begcf afc ebafdg cfbga | deagcf abdc ca cagfb
+eg efdbga adbcfg ebfcga aefgd bdfga adcbgef defac gbed gae | edbg gedb bfdeag dbcgaf
+bacegf gbfca cfa ceab gafeb ca gcfdb gadfec dbafge gbdfaec | caf fbgedac fca afc
+fbagde cbeg afecg gdaecbf fedcga gab efacbg gb acbfg cfdba | gba ecbg agb abgcf
+abfg dafcgb gcafd bdcgaef ab cba ebdcf bgdaec cfaegd fcbda | acb ecadbg cgdabe fgab
+agcbd cegdba feagb fd daf gbfad bacdfg cgdfabe dcefab fgcd | df dagbc fgcd fd
+gdfeabc bcd debaf cb gedfab bcefd edfgc bdceaf aecb cdgbfa | ebac beac cbea abce
+cbgdef eg beg dbgfc bfgcead gbefd efcg edgbca eabfd acbfdg | gbe gbe cefg gbe
+fedg begcad gdb bafdge gd egbcaf gdbaf bfacd eacgdbf eafgb | cbefag baegf gefcdab bedgac
+gbce dcafgb agfdceb efdac acg agcfe aefgb befagd cegfab gc | fbedgac abdefg cga cag
+gabc bceadf agfcd agd ag fcdgbea gabdef gedfc dbcfa agbfdc | gacb gad bgceadf cbgafde
+afedc fabced gfcbed feb cegdbaf dbfa ebfac dacfeg fb gbace | feb afdb ebf acfde
+cbed edgcf ecabdfg ceg cfbgd abgfdc gebfdc ec efbagc gedfa | ec decb ecdb gec
+egd gfbeac gedcb de dabgfe dcfbg cbefdag eadc dcegba acegb | ed adgfceb gde abcged
+efadcgb fbdce fagedc agebfd gbafe abedf da bgad ead ceagbf | efagb ecdbf ade aebcgfd
+cgeb bfaed cbedga cbaed bc bca afgcbd dgface bgfecda decga | fgadcb bca dabfe cab
+dgaec deagcf egf cdeabg abgdf gdfceab dfcbeg gfead efac ef | agebcd efdbcag aefc bgefcad
+fbeac gebcaf efa fgce bgfdea dgbcfae gcbdea adcbf ef egacb | gebfacd bfadcge ef eagbc
+acdbgfe adfg edfcbg efacb egacf gca dgaceb egdcf ga gefcda | fdga cfgae cga ga
+dfebcg gdaebf dagcf gbaecd dcgebfa bf cfbe bgf bgdce fdbgc | cgbefd bcfe gbf ecbf
+dcafeg ca acf fcdeb abcfdge facdgb bfagd dfaegb bagc dfbac | dfabgce dfaegc gbafde bacg
+cgefb cbe cfab afdbeg cb faebg gcfde cefbag ebadgc afdbgec | egbdcfa cbe cafb fecagbd
\ No newline at end of file
diff --git a/AOC2021.Test/Models/Answer.cs b/AOC2021.Test/Models/Answer.cs
index 8090011..101ae2d 100644
--- a/AOC2021.Test/Models/Answer.cs
+++ b/AOC2021.Test/Models/Answer.cs
@@ -20,14 +20,14 @@ namespace AOC2021.Test.Models
             {
                 Answer a = (Answer)obj;
                 string failedAnswer = string.Empty;
-                if (!Day_A_Input.Equals(a.Day_A_Input))
+                if (!isValidAnswer(Day_A_Input, a.Day_A_Input))
                     throw new Exception($"Failed Day A Input ({Day_A_Input}) vs ({a.Day_A_Input})");
-                if (!Day_A_Test.Equals(a.Day_A_Test))
+                if (!isValidAnswer(Day_A_Test, a.Day_A_Test))
                     throw new Exception($"Failed Day A Test ({Day_A_Test}) vs ({a.Day_A_Test})");
 
-                if (!Day_B_Input.Equals(a.Day_B_Input))
+                if (!isValidAnswer(Day_B_Input, a.Day_B_Input))
                     throw new Exception($"Failed Day B Input ({Day_B_Input}) vs ({a.Day_B_Input})");
-                if (!Day_B_Test.Equals(a.Day_B_Test))
+                if (!isValidAnswer(Day_B_Test, a.Day_B_Test))
                     throw new Exception($"Failed Day B Test ({Day_B_Test}) vs ({a.Day_B_Test})");
 
                 if (string.IsNullOrEmpty(failedAnswer))
@@ -38,5 +38,12 @@ namespace AOC2021.Test.Models
                 return false;
             }
         }
+
+        private bool isValidAnswer(string lInput, string input)
+        {
+            if (string.IsNullOrWhiteSpace(lInput) && string.IsNullOrWhiteSpace(input))
+                return true;
+            return lInput.Equals(input);
+        }
     }
 }