- Added solutions by Ulrich Rieke.

12 files changed, 1289 insertions, 1274 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 92e6a9e776..7d22273e09 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,24 +1,29 @@
 {
+   "subtitle" : {
+      "text" : "[Champions: 13] Last updated at 2020-11-18 21:55:52 GMT"
+   },
+   "tooltip" : {
+      "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/>",
+      "followPointer" : 1
+   },
    "xAxis" : {
       "type" : "category"
    },
-   "subtitle" : {
-      "text" : "[Champions: 12] Last updated at 2020-11-18 21:46:43 GMT"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 087"
+   "legend" : {
+      "enabled" : 0
    },
    "drilldown" : {
       "series" : [
          {
             "id" : "Alexander Karelas",
-            "name" : "Alexander Karelas",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Alexander Karelas"
          },
          {
             "data" : [
@@ -41,14 +46,14 @@
             "id" : "Dave Jacoby"
          },
          {
+            "id" : "Duane Powell",
+            "name" : "Duane Powell",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Duane Powell",
-            "name" : "Duane Powell"
+            ]
          },
          {
             "id" : "E. Choroba",
@@ -61,28 +66,28 @@
             ]
          },
          {
-            "name" : "Feng Chang",
-            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Feng Chang",
+            "id" : "Feng Chang"
          },
          {
-            "id" : "Lubos Kolouch",
             "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Lubos Kolouch"
          },
          {
-            "name" : "Mark Anderson",
             "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
@@ -92,15 +97,16 @@
          },
          {
             "id" : "Philip Hood",
-            "name" : "Philip Hood",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Philip Hood"
          },
          {
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -111,7 +117,6 @@
                   2
                ]
             ],
-            "id" : "Roger Bell_West",
             "name" : "Roger Bell_West"
          },
          {
@@ -131,38 +136,57 @@
                   2
                ]
             ],
-            "id" : "Stuart Little",
-            "name" : "Stuart Little"
+            "name" : "Stuart Little",
+            "id" : "Stuart Little"
+         },
+         {
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
          }
       ]
    },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 087"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          },
          "borderWidth" : 0
       }
    },
    "series" : [
       {
-         "name" : "Perl Weekly Challenge - 087",
-         "colorByPoint" : 1,
          "data" : [
             {
                "y" : 2,
-               "drilldown" : "Alexander Karelas",
-               "name" : "Alexander Karelas"
+               "name" : "Alexander Karelas",
+               "drilldown" : "Alexander Karelas"
             },
             {
-               "name" : "Andrew Shitov",
+               "y" : 2,
                "drilldown" : "Andrew Shitov",
-               "y" : 2
+               "name" : "Andrew Shitov"
             },
             {
-               "drilldown" : "Dave Jacoby",
                "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
                "y" : 2
             },
             {
@@ -176,19 +200,19 @@
                "drilldown" : "E. Choroba"
             },
             {
-               "drilldown" : "Feng Chang",
                "name" : "Feng Chang",
+               "drilldown" : "Feng Chang",
                "y" : 2
             },
             {
-               "y" : 1,
+               "name" : "Lubos Kolouch",
                "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch"
+               "y" : 1
             },
             {
                "y" : 1,
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
             },
             {
                "y" : 1,
@@ -196,8 +220,8 @@
                "name" : "Philip Hood"
             },
             {
-               "name" : "Roger Bell_West",
                "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
                "y" : 4
             },
             {
@@ -206,27 +230,18 @@
                "drilldown" : "Simon Proctor"
             },
             {
-               "drilldown" : "Stuart Little",
+               "y" : 2,
                "name" : "Stuart Little",
-               "y" : 2
+               "drilldown" : "Stuart Little"
+            },
+            {
+               "y" : 2,
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke"
             }
-         ]
-      }
-   ],
-   "legend" : {
-      "enabled" : 0
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "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/>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 087"
       }
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 902e800679..db5daf359c 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -2,35 +2,9 @@
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2020-11-18 21:46:43 GMT"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      }
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "series" : [
       {
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -38,26 +12,52 @@
             ],
             [
                "Perl",
-               3853
+               3855
             ],
             [
                "Raku",
                2498
             ]
          ],
-         "name" : "Contributions",
          "dataLabels" : {
             "color" : "#FFFFFF",
             "enabled" : "true",
             "rotation" : -90,
+            "align" : "right",
             "format" : "{point.y:.0f}",
             "y" : 10,
-            "align" : "right",
             "style" : {
                "fontSize" : "13px",
                "fontFamily" : "Verdana, sans-serif"
             }
          }
       }
-   ]
+   ],
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-11-18 21:55:52 GMT"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
+   }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 3f483b24a6..56ae785c62 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,9 +1,22 @@
 {
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-11-18 21:55:52 GMT"
+   },
+   "tooltip" : {
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "drilldown" : {
       "series" : [
          {
             "name" : "001",
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -17,9 +30,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001"
          },
          {
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -34,10 +49,11 @@
                   10
                ]
             ],
-            "name" : "002",
-            "id" : "002"
+            "name" : "002"
          },
          {
+            "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -51,12 +67,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003",
-            "name" : "003"
+            ]
          },
          {
-            "id" : "004",
             "name" : "004",
             "data" : [
                [
@@ -71,11 +84,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "004"
          },
          {
             "id" : "005",
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -89,9 +102,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "005"
          },
          {
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -106,11 +121,9 @@
                   7
                ]
             ],
-            "id" : "006",
             "name" : "006"
          },
          {
-            "name" : "007",
             "id" : "007",
             "data" : [
                [
@@ -125,11 +138,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007"
          },
          {
-            "name" : "008",
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -143,10 +155,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008",
+            "id" : "008"
          },
          {
-            "name" : "009",
             "id" : "009",
             "data" : [
                [
@@ -161,7 +174,8 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009"
          },
          {
             "id" : "010",
@@ -182,8 +196,8 @@
             ]
          },
          {
-            "name" : "011",
             "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -200,6 +214,7 @@
             ]
          },
          {
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -214,10 +229,11 @@
                   11
                ]
             ],
-            "name" : "012",
-            "id" : "012"
+            "name" : "012"
          },
          {
+            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -231,13 +247,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "013",
-            "id" : "013"
+            ]
          },
          {
-            "name" : "014",
             "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -268,8 +282,8 @@
                   15
                ]
             ],
-            "id" : "015",
-            "name" : "015"
+            "name" : "015",
+            "id" : "015"
          },
          {
             "data" : [
@@ -286,12 +300,11 @@
                   12
                ]
             ],
-            "id" : "016",
-            "name" : "016"
+            "name" : "016",
+            "id" : "016"
          },
          {
             "name" : "017",
-            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -305,9 +318,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "017"
          },
          {
+            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -322,10 +337,10 @@
                   14
                ]
             ],
-            "id" : "018",
-            "name" : "018"
+            "id" : "018"
          },
          {
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -340,11 +355,9 @@
                   13
                ]
             ],
-            "name" : "019",
-            "id" : "019"
+            "name" : "019"
          },
          {
-            "name" : "020",
             "id" : "020",
             "data" : [
                [
@@ -359,9 +372,12 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "020"
          },
          {
+            "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -375,12 +391,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021",
-            "id" : "021"
+            ]
          },
          {
-            "id" : "022",
             "name" : "022",
             "data" : [
                [
@@ -395,9 +408,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "022"
          },
          {
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -412,10 +427,11 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "id" : "023"
          },
          {
+            "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -429,9 +445,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "024",
-            "name" : "024"
+            ]
          },
          {
             "id" : "025",
@@ -452,8 +466,6 @@
             ]
          },
          {
-            "name" : "026",
-            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -467,9 +479,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "026",
+            "id" : "026"
          },
          {
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -484,7 +499,6 @@
                   9
                ]
             ],
-            "id" : "027",
             "name" : "027"
          },
          {
@@ -506,8 +520,6 @@
             "id" : "028"
          },
          {
-            "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -521,11 +533,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "029",
+            "id" : "029"
          },
          {
             "name" : "030",
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -539,9 +552,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -556,11 +571,9 @@
                   9
                ]
             ],
-            "name" : "031",
             "id" : "031"
          },
          {
-            "name" : "032",
             "id" : "032",
             "data" : [
                [
@@ -575,10 +588,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "032"
          },
          {
-            "id" : "033",
             "name" : "033",
             "data" : [
                [
@@ -593,11 +606,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "033"
          },
          {
-            "name" : "034",
-            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -611,9 +623,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "034",
+            "id" : "034"
          },
          {
+            "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -627,9 +643,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "035",
-            "id" : "035"
+            ]
          },
          {
             "id" : "036",
@@ -650,6 +664,8 @@
             ]
          },
          {
+            "id" : "037",
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -663,11 +679,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "037",
-            "id" : "037"
+            ]
          },
          {
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -682,12 +697,9 @@
                   12
                ]
             ],
-            "name" : "038",
             "id" : "038"
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-            "id" : "039",
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -701,9 +713,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "039",
+            "id" : "039"
          },
          {
+            "id" : "040",
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -717,9 +733,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040",
-            "id" : "040"
+            ]
          },
          {
             "id" : "041",
@@ -740,6 +754,7 @@
             ]
          },
          {
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -754,10 +769,10 @@
                   11
                ]
             ],
-            "name" : "042",
             "id" : "042"
          },
          {
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -772,11 +787,9 @@
                   11
                ]
             ],
-            "id" : "043",
-            "name" : "043"
+            "id" : "043"
          },
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-            "id" : "044",
             "name" : "044",
             "data" : [
                [
@@ -791,11 +804,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "044"
          },
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-            "id" : "045",
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -809,11 +821,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "045",
+            "id" : "045"
          },
          {
-            "name" : "046",
-            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -827,9 +839,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "046",
+            "id" : "046"
          },
          {
+            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -844,12 +859,10 @@
                   10
                ]
             ],
-            "name" : "047",
-            "id" : "047"
+            "name" : "047"
          },
          {
             "name" : "048",
-            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -863,9 +876,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "048"
          },
          {
+            "name" : "049",
             "data" : [
                [
                   "Perl",
@@ -880,12 +895,10 @@
                   12
                ]
             ],
-            "name" : "049",
             "id" : "049"
          },
          {
             "id" : "050",
-            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -899,11 +912,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "050"
          },
          {
-            "id" : "051",
-            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -917,11 +929,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "051",
+            "id" : "051"
          },
          {
-            "name" : "052",
-            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -935,11 +947,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "052",
+            "id" : "052"
          },
          {
-            "id" : "053",
-            "name" : "053",
             "data" : [
                [
                   "Perl",
@@ -953,9 +965,13 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "053",
+            "id" : "053"
          },
          {
+            "id" : "054",
+            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -969,9 +985,7 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "054",
-            "id" : "054"
+            ]
          },
          {
             "data" : [
@@ -988,12 +1002,11 @@
                   14
                ]
             ],
-            "id" : "055",
-            "name" : "055"
+            "name" : "055",
+            "id" : "055"
          },
          {
             "name" : "056",
-            "id" : "056",
             "data" : [
                [
                   "Perl",
@@ -1007,9 +1020,11 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "id" : "056"
          },
          {
+            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1024,11 +1039,9 @@
                   15
                ]
             ],
-            "name" : "057",
-            "id" : "057"
+            "name" : "057"
          },
          {
-            "name" : "058",
             "id" : "058",
             "data" : [
                [
@@ -1043,9 +1056,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "058"
          },
          {
+            "name" : "059",
             "data" : [
                [
                   "Perl",
@@ -1060,8 +1075,7 @@
                   16
                ]
             ],
-            "id" : "059",
-            "name" : "059"
+            "id" : "059"
          },
          {
             "data" : [
@@ -1078,10 +1092,11 @@
                   16
                ]
             ],
-            "id" : "060",
-            "name" : "060"
+            "name" : "060",
+            "id" : "060"
          },
          {
+            "id" : "061",
             "data" : [
                [
                   "Perl",
@@ -1096,12 +1111,9 @@
                   14
                ]
             ],
-            "name" : "061",
-            "id" : "061"
+            "name" : "061"
          },
          {
-            "id" : "062",
-            "name" : "062",
             "data" : [
                [
                   "Perl",
@@ -1115,9 +1127,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "062",
+            "id" : "062"
          },
          {
+            "id" : "063",
+            "name" : "063",
             "data" : [
                [
                   "Perl",
@@ -1131,11 +1147,11 @@
                   "Blog",
                   13