- Added solutions by Dave Jacoby.

16 files changed, 2135 insertions, 2097 deletions

diff --git a/challenge-138/blog.txt b/challenge-138/dave-jacoby/blog.txt
index 13e0a70a85..13e0a70a85 100644
--- a/challenge-138/blog.txt
+++ b/challenge-138/dave-jacoby/blog.txt
diff --git a/stats/pwc-challenge-137.json b/stats/pwc-challenge-137.json
index 58b54fb79b..300886da92 100644
--- a/stats/pwc-challenge-137.json
+++ b/stats/pwc-challenge-137.json
@@ -1,211 +1,7 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
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-            "format" : "{point.y}"
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-   },
-   "legend" : {
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-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 137",
-         "colorByPoint" : 1,
-         "data" : [
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-               "drilldown" : "Abigail",
-               "name" : "Abigail"
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-               "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov",
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-               "name" : "Arne Sommer"
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-               "drilldown" : "Athanasius",
-               "name" : "Athanasius"
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-               "drilldown" : "Mohammad S Anwar"
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-               "drilldown" : "Niels van Dijke",
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-               "drilldown" : "Paulo Custodio"
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-               "drilldown" : "Pete Houston",
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-               "drilldown" : "Robert DiCicco",
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-            },
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-               "drilldown" : "Roger Bell_West",
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-            },
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-               "y" : 3,
-               "name" : "Simon Green"
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-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson"
-            },
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-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
-            },
-            {
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-               "drilldown" : "W. Luis Mochan",
-               "y" : 3
-            },
-            {
-               "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc",
-               "y" : 2
-            }
-         ]
-      }
-   ],
-   "tooltip" : {
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-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 137"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 32] Last updated at 2021-11-08 09:03:18 GMT"
-   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Abigail",
-            "id" : "Abigail",
             "data" : [
                [
                   "Perl",
@@ -215,11 +11,13 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Abigail",
+            "name" : "Abigail"
          },
          {
-            "id" : "Andrew Shitov",
             "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
@@ -228,6 +26,7 @@
             ]
          },
          {
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Perl",
@@ -242,7 +41,6 @@
                   1
                ]
             ],
-            "name" : "Arne Sommer",
             "id" : "Arne Sommer"
          },
          {
@@ -261,23 +59,23 @@
          },
          {
             "name" : "Bob Lied",
-            "id" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Bob Lied"
          },
          {
-            "name" : "Bruce Gray",
             "id" : "Bruce Gray",
             "data" : [
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                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Bruce Gray"
          },
          {
             "name" : "Cheok-Yin Fung",
@@ -290,7 +88,6 @@
             ]
          },
          {
-            "name" : "Colin Crain",
             "id" : "Colin Crain",
             "data" : [
                [
@@ -301,11 +98,26 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Colin Crain"
+         },
+         {
+            "name" : "Dave Jacoby",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Dave Jacoby"
          },
          {
-            "id" : "Duncan C. White",
             "name" : "Duncan C. White",
+            "id" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
@@ -324,8 +136,6 @@
             "name" : "E. Choroba"
          },
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-            "id" : "Flavio Poletti",
-            "name" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -339,9 +149,12 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti"
          },
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+            "name" : "Jaldhar H. Vyas",
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                   "Perl",
@@ -356,12 +169,9 @@
                   1
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             ],
-            "name" : "Jaldhar H. Vyas",
             "id" : "Jaldhar H. Vyas"
          },
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-            "id" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -371,31 +181,33 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "James Smith",
+            "name" : "James Smith"
          },
          {
-            "name" : "Jan Krnavek",
-            "id" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
          },
          {
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey"
          },
          {
-            "id" : "Laurent Rosenfeld",
             "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -412,14 +224,14 @@
             ]
          },
          {
-            "name" : "Lubos Kolouch",
-            "id" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
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          {
             "data" : [
@@ -432,31 +244,30 @@
                   4
                ]
             ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
+            "id" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Matthew Neleigh",
             "name" : "Matthew Neleigh"
          },
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-            "name" : "Mohammad S Anwar",
             "id" : "Mohammad S Anwar",
             "data" : [
                [
@@ -467,61 +278,61 @@
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Mohammad S Anwar"
          },
          {
             "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Niels van Dijke"
          },
          {
-            "name" : "Olivier Delouya",
             "id" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Olivier Delouya"
          },
          {
             "id" : "Paulo Custodio",
-            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Paulo Custodio"
          },
          {
+            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Pete Houston",
-            "id" : "Pete Houston"
+            "name" : "Pete Houston"
          },
          {
-            "id" : "Robert DiCicco",
             "name" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Robert DiCicco"
          },
          {
             "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -535,9 +346,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Roger Bell_West"
          },
          {
+            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -548,20 +361,21 @@
                   1
                ]
             ],
-            "name" : "Simon Green",
             "id" : "Simon Green"
          },
          {
-            "name" : "Steven Wilson",
             "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Steven Wilson"
          },
          {
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -571,9 +385,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke"
+            ]
          },
          {
             "data" : [
@@ -590,8 +402,8 @@
             "name" : "W. Luis Mochan"
          },
          {
-            "id" : "Wanderdoc",
             "name" : "Wanderdoc",
+            "id" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
@@ -600,5 +412,212 @@
             ]
          }
       ]
-   }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 137"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
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+   },
+   "plotOptions" : {
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+   },
+   "yAxis" : {
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+      }
+   },
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+   },
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+      "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/>"
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+            },
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+            },
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+               "drilldown" : "Bob Lied"
+            },
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+            },
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+               "drilldown" : "Cheok-Yin Fung"
+            },
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+            },
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+               "drilldown" : "Dave Jacoby"
+            },
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+               "drilldown" : "Duncan C. White"
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+            },
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+               "name" : "Jan Krnavek"
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+               "drilldown" : "Laurent Rosenfeld"
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+               "drilldown" : "Luca Ferrari"
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+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson"
+            },
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+               "drilldown" : "Matthew Neleigh",
+               "y" : 2,
+               "name" : "Matthew Neleigh"
+            },
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+               "drilldown" : "Mohammad S Anwar",
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+               "name" : "Mohammad S Anwar"
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+               "y" : 2,
+               "name" : "Paulo Custodio"
+            },
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+            },
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+               "drilldown" : "Robert DiCicco"
+            },
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+               "name" : "Roger Bell_West",
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+            },
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+               "drilldown" : "Simon Green",
+               "name" : "Simon Green",
+               "y" : 3
+            },
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+               "drilldown" : "Steven Wilson",
+               "name" : "Steven Wilson",
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+            },
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+               "name" : "Ulrich Rieke",
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+            },
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+               "name" : "W. Luis Mochan"
+            },
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+               "name" : "Wanderdoc",
+               "drilldown" : "Wanderdoc"
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+         ],
+         "name" : "The Weekly Challenge - 137"
+      }
+   ]
 }
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 4ace860e15..f4e6a74a09 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,18 +1,95 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
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+      {
+         "name" : "The Weekly Challenge - 138",
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+               "name" : "Andrew Shitov"
+            },
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+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby"
+            },
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+               "drilldown" : "Luca Ferrari",
+               "y" : 6,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "name" : "Paulo Custodio",
+               "drilldown" : "Paulo Custodio",
+               "y" : 2
+            },
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+               "name" : "Peter Campbell Smith"
+            },
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+               "name" : "Roger Bell_West"
+            }
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    "drilldown" : {
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          {
             "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "name" : "Andrew Shitov"
+            ]
+         },
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+            "id" : "Dave Jacoby",
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+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
          },
          {
-            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -23,40 +100,40 @@
                   4
                ]
             ],
-            "name" : "Luca Ferrari"
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
          },
          {
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
          },
          {
+            "name" : "Paulo Custodio",
             "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Paulo Custodio"
+            ]
          },
          {
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Peter Campbell Smith",
             "id" : "Peter Campbell Smith"
          },
          {
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -67,80 +144,22 @@
                   2
                ]
             ],
+            "id" : "Roger Bell_West",
             "name" : "Roger Bell_West"
          }
       ]
    },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 138"
-   },
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 6] Last updated at 2021-11-08 19:37:01 GMT"
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 7] Last updated at 2021-11-09 16:03:23 GMT"
    },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov",
-               "y" : 1
-            },
-            {
-               "y" : 6,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
-            },
-            {
-               "name" : "Paulo Custodio",
-               "drilldown" : "Paulo Custodio",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 4,
-               "drilldown" : "Roger Bell_West"
-            }
-         ],
-         "name" : "The Weekly Challenge - 138"
-      }
-   ]
+   "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/>"
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 66a5e12ec8..6808ab65cc 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -5,6 +5,15 @@
       },
       "min" : 0
    },
+   "subtitle" : {
+      "text" : "Last updated at 2021-11-09 16:03:23 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
@@ -14,14 +23,8 @@
          }
       }
    },
-   "subtitle" : {
-      "text" : "Last updated at 2021-11-08 19:37:00 GMT"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"