- Added videos to task for weeks 137,138,140,141 and 143.

24 files changed, 2145 insertions, 2120 deletions

diff --git a/challenge-137/mohammad-anwar/blog.txt b/challenge-137/mohammad-anwar/blog.txt
new file mode 100644
index 0000000000..c425537541
--- /dev/null
+++ b/challenge-137/mohammad-anwar/blog.txt
@@ -0,0 +1 @@
+https://youtu.be/U-FeZ8LPjd8
diff --git a/challenge-138/mohammad-anwar/blog.txt b/challenge-138/mohammad-anwar/blog.txt
new file mode 100644
index 0000000000..ee7616ddae
--- /dev/null
+++ b/challenge-138/mohammad-anwar/blog.txt
@@ -0,0 +1 @@
+https://youtu.be/yntQpjmS4ho
diff --git a/challenge-140/mohammad-anwar/blog.txt b/challenge-140/mohammad-anwar/blog.txt
new file mode 100644
index 0000000000..bd4e402c0a
--- /dev/null
+++ b/challenge-140/mohammad-anwar/blog.txt
@@ -0,0 +1 @@
+https://youtu.be/DzkSojqFvaA
diff --git a/challenge-141/mohammad-anwar/blog.txt b/challenge-141/mohammad-anwar/blog.txt
new file mode 100644
index 0000000000..e0750c20f3
--- /dev/null
+++ b/challenge-141/mohammad-anwar/blog.txt
@@ -0,0 +1 @@
+https://youtu.be/tevgYBpKk7M
diff --git a/challenge-143/mohammad-anwar/blog.txt b/challenge-143/mohammad-anwar/blog.txt
new file mode 100644
index 0000000000..2a9dac556a
--- /dev/null
+++ b/challenge-143/mohammad-anwar/blog.txt
@@ -0,0 +1 @@
+https://youtu.be/Ch1C1HYytdU
diff --git a/stats/pwc-challenge-137.json b/stats/pwc-challenge-137.json
index b33bf014f4..30ee9dc7ae 100644
--- a/stats/pwc-challenge-137.json
+++ b/stats/pwc-challenge-137.json
@@ -1,20 +1,11 @@
 {
-   "tooltip" : {
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 34] Last updated at 2021-11-24 01:14:58 GMT"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 137"
+   "legend" : {
+      "enabled" : 0
    },
    "drilldown" : {
       "series" : [
          {
             "name" : "Abigail",
-            "id" : "Abigail",
             "data" : [
                [
                   "Perl",
@@ -24,7 +15,8 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Abigail"
          },
          {
             "data" : [
@@ -37,7 +29,6 @@
             "name" : "Andrew Shitov"
          },
          {
-            "name" : "Arne Sommer",
             "data" : [
                [
                   "Perl",
@@ -52,11 +43,10 @@
                   1
                ]
             ],
-            "id" : "Arne Sommer"
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
          },
          {
-            "name" : "Athanasius",
-            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -66,37 +56,39 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
          },
          {
+            "name" : "Bob Lied",
             "id" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Bob Lied"
+            ]
          },
          {
-            "id" : "Bruce Gray",
+            "name" : "Bruce Gray",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Bruce Gray"
+            "id" : "Bruce Gray"
          },
          {
             "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Cheok-Yin Fung"
+            ]
          },
          {
             "id" : "Colin Crain",
@@ -113,6 +105,8 @@
             "name" : "Colin Crain"
          },
          {
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -122,32 +116,29 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            ]
          },
          {
+            "name" : "Duncan C. White",
             "id" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Duncan C. White"
+            ]
          },
          {
-            "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "E. Choroba"
+            "name" : "E. Choroba"
          },
          {
-            "name" : "Feng Chang",
             "data" : [
                [
                   "Perl",
@@ -158,10 +149,10 @@
                   2
                ]
             ],
-            "id" : "Feng Chang"
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
          },
          {
-            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -176,7 +167,8 @@
                   2
                ]
             ],
-            "id" : "Flavio Poletti"
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti"
          },
          {
             "name" : "Jaldhar H. Vyas",
@@ -211,28 +203,27 @@
             "id" : "James Smith"
          },
          {
-            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Jan Krnavek"
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
          },
          {
-            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Jorg Sommrey"
+            "name" : "Jorg Sommrey"
          },
          {
             "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -246,20 +237,21 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Laurent Rosenfeld"
          },
          {
-            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Lubos Kolouch"
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
          },
          {
-            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -270,17 +262,17 @@
                   4
                ]
             ],
-            "id" : "Luca Ferrari"
+            "name" : "Luca Ferrari"
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
             "data" : [
@@ -301,6 +293,10 @@
                [
                   "Raku",
                   1
+               ],
+               [
+                  "Blog",
+                  1
                ]
             ],
             "id" : "Mohammad S Anwar",
@@ -308,56 +304,57 @@
          },
          {
             "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Niels van Dijke"
          },
          {
-            "name" : "Olivier Delouya",
-            "id" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Olivier Delouya",
+            "name" : "Olivier Delouya"
          },
          {
-            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Paulo Custodio"
+            "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio"
          },
          {
             "name" : "Pete Houston",
+            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Pete Houston"
+            ]
          },
          {
-            "id" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Robert DiCicco",
             "name" : "Robert DiCicco"
          },
          {
             "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -371,8 +368,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Roger Bell_West"
+            ]
          },
          {
             "id" : "Simon Green",
@@ -389,14 +385,14 @@
             "name" : "Simon Green"
          },
          {
+            "name" : "Steven Wilson",
+            "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Steven Wilson",
-            "name" : "Steven Wilson"
+            ]
          },
          {
             "name" : "Ulrich Rieke",
@@ -413,7 +409,7 @@
             ]
          },
          {
-            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -424,7 +420,7 @@
                   1
                ]
             ],
-            "name" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan"
          },
          {
             "name" : "Wanderdoc",
@@ -438,47 +434,40 @@
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
    },
    "series" : [
       {
-         "colorByPoint" : 1,
          "name" : "The Weekly Challenge - 137",
+         "colorByPoint" : 1,
          "data" : [
             {
+               "y" : 4,
                "drilldown" : "Abigail",
-               "name" : "Abigail",
-               "y" : 4
+               "name" : "Abigail"
             },
             {
-               "y" : 1,
+               "drilldown" : "Andrew Shitov",
                "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov"
+               "y" : 1
             },
             {
-               "y" : 5,
+               "drilldown" : "Arne Sommer",
                "name" : "Arne Sommer",
-               "drilldown" : "Arne Sommer"
+               "y" : 5
             },
             {
                "y" : 4,
-               "name" : "Athanasius",
-               "drilldown" : "Athanasius"
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius"
             },
             {
-               "drilldown" : "Bob Lied",
+               "y" : 2,
                "name" : "Bob Lied",
-               "y" : 2
+               "drilldown" : "Bob Lied"
             },
             {
                "name" : "Bruce Gray",
@@ -486,69 +475,69 @@
                "y" : 2
             },
             {
-               "y" : 2,
+               "name" : "Cheok-Yin Fung",
                "drilldown" : "Cheok-Yin Fung",
-               "name" : "Cheok-Yin Fung"
+               "y" : 2
             },
             {
-               "y" : 4,
                "name" : "Colin Crain",
-               "drilldown" : "Colin Crain"
+               "drilldown" : "Colin Crain",
+               "y" : 4
             },
             {
-               "y" : 3,
+               "drilldown" : "Dave Jacoby",
                "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
+               "y" : 3
             },
             {
-               "name" : "Duncan C. White",
+               "y" : 2,
                "drilldown" : "Duncan C. White",
-               "y" : 2
+               "name" : "Duncan C. White"
             },
             {
+               "y" : 2,
                "name" : "E. Choroba",
-               "drilldown" : "E. Choroba",
-               "y" : 2
+               "drilldown" : "E. Choroba"
             },
             {
+               "y" : 3,
                "name" : "Feng Chang",
-               "drilldown" : "Feng Chang",
-               "y" : 3
+               "drilldown" : "Feng Chang"
             },
             {
-               "y" : 6,
                "drilldown" : "Flavio Poletti",
-               "name" : "Flavio Poletti"
+               "name" : "Flavio Poletti",
+               "y" : 6
             },
             {
-               "name" : "Jaldhar H. Vyas",
                "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
                "y" : 5
             },
             {
-               "y" : 3,
                "name" : "James Smith",
-               "drilldown" : "James Smith"
+               "drilldown" : "James Smith",
+               "y" : 3
             },
             {
-               "name" : "Jan Krnavek",
                "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek",
                "y" : 2
             },
             {
+               "y" : 1,
                "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey",
-               "y" : 1
+               "name" : "Jorg Sommrey"
             },
             {
+               "y" : 5,
                "name" : "Laurent Rosenfeld",
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 5
+               "drilldown" : "Laurent Rosenfeld"
             },
             {
-               "name" : "Lubos Kolouch",
+               "y" : 2,
                "drilldown" : "Lubos Kolouch",
-               "y" : 2
+               "name" : "Lubos Kolouch"
             },
             {
                "y" : 6,
@@ -556,24 +545,24 @@
                "drilldown" : "Luca Ferrari"
             },
             {
-               "y" : 2,
+               "drilldown" : "Mark Anderson",
                "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
+               "y" : 2
             },
             {
-               "name" : "Matthew Neleigh",
+               "y" : 2,
                "drilldown" : "Matthew Neleigh",
-               "y" : 2
+               "name" : "Matthew Neleigh"
             },
             {
-               "y" : 2,
+               "y" : 3,
                "drilldown" : "Mohammad S Anwar",
                "name" : "Mohammad S Anwar"
             },
             {
+               "y" : 2,
                "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke",
-               "y" : 2
+               "name" : "Niels van Dijke"
             },
             {
                "y" : 2,
@@ -582,61 +571,76 @@
             },
             {
                "y" : 2,
-               "drilldown" : "Paulo Custodio",
-               "name" : "Paulo Custodio"
+               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio"
             },
             {
+               "y" : 2,
                "name" : "Pete Houston",
-               "drilldown" : "Pete Houston",
-               "y" : 2
+               "drilldown" : "Pete Houston"
             },
             {
-               "name" : "Robert DiCicco",
                "drilldown" : "Robert DiCicco",
+               "name" : "Robert DiCicco",
                "y" : 2
             },
             {
                "y" : 5,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
             },
             {
+               "y" : 3,
                "drilldown" : "Simon Green",
-               "name" : "Simon Green",
-               "y" : 3
+               "name" : "Simon Green"
             },
             {
+               "y" : 2,
                "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson",
-               "y" : 2
+               "name" : "Steven Wilson"
             },
             {
-               "y" : 4,
                "name" : "Ulrich Rieke",
-               "drilldown" : "Ulrich Rieke"
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
             },
             {
-               "y" : 3,
                "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan"
+               "name" : "W. Luis Mochan",
+               "y" : 3
             },
             {
-               "y" : 2,
+               "drilldown" : "Wanderdoc",
                "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc"
+               "y" : 2
             }
          ]
       }
    ],
+   "title" : {
+      "text" : "The Weekly Challenge - 137"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "legend" : {
-      "enabled" : 0
+   "xAxis" : {
+      "type" : "category"
    },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 34] Last updated at 2021-12-30 01:01:48 GMT"
    }
 }
diff --git a/stats/pwc-challenge-138.json b/stats/pwc-challenge-138.json
index 525fbf0e5c..b27587f152 100644
--- a/stats/pwc-challenge-138.json
+++ b/stats/pwc-challenge-138.json
@@ -1,23 +1,8 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
+   "tooltip" : {
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
    },
    "drilldown" : {
       "series" : [
@@ -36,16 +21,17 @@
             "name" : "Abigail"
          },
          {
-            "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "id" : "Andrew Shitov"
+            "name" : "Andrew Shitov"
          },
          {
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Perl",
@@ -60,11 +46,11 @@
                   1
                ]
             ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
+            "id" : "Arne Sommer"
          },
          {
             "name" : "Athanasius",
+            "id" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -74,8 +60,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Athanasius"
+            ]
          },
          {
             "name" : "Bob Lied",
@@ -88,6 +73,7 @@
             "id" : "Bob Lied"
          },
          {
+            "name" : "Bruce Gray",
             "id" : "Bruce Gray",
             "data" : [
                [
@@ -102,12 +88,10 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Bruce Gray"
+            ]
          },
          {
             "name" : "Cheok-Yin Fung",
-            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
@@ -117,17 +101,18 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Cheok-Yin Fung"
          },
          {
             "name" : "Colin Crain",
-            "id" : "Colin Crain",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Colin Crain"
          },
          {
             "id" : "Dave Jacoby",
@@ -144,36 +129,37 @@
             "name" : "Dave Jacoby"
          },
          {
-            "id" : "Duncan C. White",
+            "name" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Duncan C. White"
+            "id" : "Duncan C. White"
          },
          {
-            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "E. Choroba"
+            "id" : "E. Choroba"
          },
          {
-            "name" : "Feng Chang",
-            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
          },
          {
+            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -188,11 +174,9 @@
                   2
                ]
             ],
-            "id" : "Flavio Poletti",
-            "name" : "Flavio Poletti"
+            "id" : "Flavio Poletti"
          },
          {
-            "name" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -207,7 +191,8 @@
                   1
                ]
             ],
-            "id" : "Jaldhar H. Vyas"
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
          },
          {
             "name" : "James Smith",
@@ -225,26 +210,25 @@
          },
          {
             "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Jan Krnavek"
+            ]
          },
          {
-            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Jorg Sommrey"
+            "name" : "Jorg Sommrey"
          },
          {
-            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -259,7 +243,8 @@
                   1
                ]
             ],
-            "id" : "Laurent Rosenfeld"
+            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld"
          },
          {
             "name" : "Lubos Kolouch",
@@ -273,6 +258,7 @@
          },
          {
             "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -282,28 +268,27 @@
                   "Blog",
                   4
                ]
-            ],
-            "id" : "Luca Ferrari"
+            ]
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
-            "name" : "Matthew Neleigh",
             "id" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Matthew Neleigh"
          },
          {
             "data" : [
@@ -314,20 +299,24 @@
                [
                   "Raku",
                   1
+               ],
+               [
+                  "Blog",
+                  1
                ]
             ],
             "id" : "Mohammad S Anwar",
             "name" : "Mohammad S Anwar"
          },
          {
-            "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",