- Added solutions by Ulrich Rieke.

13 files changed, 1389 insertions, 1370 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index ccdd783dbf..c97733603e 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,15 +1,122 @@
 {
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Gustavo Chaves",
+               "name" : "Gustavo Chaves"
+            },
+            {
+               "name" : "James Smith",
+               "drilldown" : "James Smith",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jan Hoogenraad",
+               "y" : 2,
+               "name" : "Jan Hoogenraad"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "y" : 4,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Paulo Custodio",
+               "y" : 2,
+               "name" : "Paulo Custodio"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "y" : 4,
+               "name" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "y" : 1,
+               "name" : "Simon Proctor"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Stuart Little",
+               "name" : "Stuart Little"
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4,
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 097"
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 097"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 13] Last updated at 2021-01-26 17:35:54 GMT"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            ]
          },
          {
             "id" : "Gustavo Chaves",
@@ -22,14 +129,14 @@
             ]
          },
          {
+            "id" : "James Smith",
+            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "James Smith",
-            "name" : "James Smith"
+            ]
          },
          {
             "id" : "Jan Hoogenraad",
@@ -42,6 +149,8 @@
             ]
          },
          {
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -51,43 +160,39 @@
                   "Blog",
                   2
                ]
-            ],
-            "name" : "Luca Ferrari",
-            "id" : "Luca Ferrari"
+            ]
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
-            "id" : "Niels van Dijke",
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
          },
          {
+            "name" : "Paulo Custodio",
+            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Paulo Custodio",
-            "id" : "Paulo Custodio"
+            ]
          },
          {
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -97,17 +202,19 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
          },
          {
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            ]
          },
          {
             "id" : "Stuart Little",
@@ -130,115 +237,27 @@
                   2
                ],
                [
-                  "Blog",
-                  1
+                  "Raku",
+                  2
                ]
             ],
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke"
+         },
+         {
+            "name" : "W. Luis Mochan",
             "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
          }
       ]
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "y" : 2,
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba"
-            },
-            {
-               "name" : "Gustavo Chaves",
-               "y" : 2,
-               "drilldown" : "Gustavo Chaves"
-            },
-            {
-               "name" : "James Smith",
-               "y" : 2,
-               "drilldown" : "James Smith"
-            },
-            {
-               "drilldown" : "Jan Hoogenraad",
-               "y" : 2,
-               "name" : "Jan Hoogenraad"
-            },
-            {
-               "drilldown" : "Luca Ferrari",
-               "y" : 4,
-               "name" : "Luca Ferrari"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "name" : "Paulo Custodio",
-               "drilldown" : "Paulo Custodio",
-               "y" : 2
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 4
-            },
-            {
-               "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor",
-               "y" : 1
-            },
-            {
-               "drilldown" : "Stuart Little",
-               "y" : 4,
-               "name" : "Stuart Little"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 097"
-      }
-   ],
-   "chart" : {
-      "type" : "column"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "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/>"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 097"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 12] Last updated at 2021-01-26 16:17:30 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index a59a0d2752..a5a16d04ae 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,4 +1,13 @@
 {
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
+   },
    "series" : [
       {
          "data" : [
@@ -8,39 +17,33 @@
             ],
             [
                "Perl",
-               4484
+               4486
             ],
             [
                "Raku",
-               2918
+               2920
             ]
          ],
          "name" : "Contributions",
          "dataLabels" : {
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
             "color" : "#FFFFFF",
-            "rotation" : -90,
+            "y" : 10,
+            "format" : "{point.y:.0f}",
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
+            "rotation" : -90,
             "align" : "right",
-            "y" : 10
+            "enabled" : "true"
          }
       }
    ],
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : "false"
    },
    "yAxis" : {
       "min" : 0,
@@ -48,16 +51,13 @@
          "text" : null
       }
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-01-26 16:17:30 GMT"
+   "chart" : {
+      "type" : "column"
    },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-01-26 17:35:54 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index e025a6ea3d..d09befea6f 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,15 +1,4 @@
 {
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "drilldown" : {
       "series" : [
          {
@@ -45,12 +34,10 @@
                   10
                ]
             ],
-            "id" : "002",
-            "name" : "002"
+            "name" : "002",
+            "id" : "002"
          },
          {
-            "name" : "003",
-            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -64,7 +51,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "003",
+            "id" : "003"
          },
          {
             "data" : [
@@ -85,6 +74,8 @@
             "name" : "004"
          },
          {
+            "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -98,13 +89,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005",
-            "name" : "005"
+            ]
          },
          {
-            "id" : "006",
-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -118,11 +105,11 @@
                   "Blog",
                   7
                ]
-            ]
+            ],
+            "name" : "006",
+            "id" : "006"
          },
          {
-            "id" : "007",
-            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -136,7 +123,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "007",
+            "name" : "007"
          },
          {
             "data" : [
@@ -153,12 +142,12 @@
                   12
                ]
             ],
-            "name" : "008",
-            "id" : "008"
+            "id" : "008",
+            "name" : "008"
          },
          {
-            "name" : "009",
             "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -175,6 +164,8 @@
             ]
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -188,11 +179,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010",
-            "id" : "010"
+            ]
          },
          {
+            "name" : "011",
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -206,9 +197,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "011",
-            "name" : "011"
+            ]
          },
          {
             "data" : [
@@ -225,8 +214,8 @@
                   11
                ]
             ],
-            "name" : "012",
-            "id" : "012"
+            "id" : "012",
+            "name" : "012"
          },
          {
             "data" : [
@@ -243,10 +232,12 @@
                   13
                ]
             ],
-            "id" : "013",
-            "name" : "013"
+            "name" : "013",
+            "id" : "013"
          },
          {
+            "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -260,9 +251,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014",
-            "name" : "014"
+            ]
          },
          {
             "data" : [
@@ -297,10 +286,12 @@
                   12
                ]
             ],
-            "id" : "016",
-            "name" : "016"
+            "name" : "016",
+            "id" : "016"
          },
          {
+            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -314,9 +305,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "017",
-            "name" : "017"
+            ]
          },
          {
             "data" : [
@@ -333,10 +322,12 @@
                   14
                ]
             ],
-            "id" : "018",
-            "name" : "018"
+            "name" : "018",
+            "id" : "018"
          },
          {
+            "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -350,11 +341,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "019",
-            "id" : "019"
+            ]
          },
          {
+            "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -368,9 +359,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020",
-            "id" : "020"
+            ]
          },
          {
             "data" : [
@@ -391,8 +380,8 @@
             "id" : "021"
          },
          {
-            "id" : "022",
             "name" : "022",
+            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -409,8 +398,6 @@
             ]
          },
          {
-            "name" : "023",
-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -424,11 +411,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "023",
+            "name" : "023"
          },
          {
-            "name" : "024",
             "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -445,6 +434,8 @@
             ]
          },
          {
+            "name" : "025",
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -458,13 +449,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025",
-            "name" : "025"
+            ]
          },
          {
-            "id" : "026",
-            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -478,9 +465,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "026",
+            "name" : "026"
          },
          {
+            "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -494,9 +485,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "027",
-            "name" : "027"
+            ]
          },
          {
             "id" : "028",
@@ -517,8 +506,6 @@
             ]
          },
          {
-            "id" : "029",
-            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -532,9 +519,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029",
+            "name" : "029"
          },
          {
+            "name" : "030",
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -548,13 +539,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "030",
-            "name" : "030"
+            ]
          },
          {
-            "id" : "031",
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -568,9 +555,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "031",
+            "id" : "031"
          },
          {
+            "name" : "032",
+            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -584,9 +575,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "032",
-            "name" : "032"
+            ]
          },
          {
             "data" : [
@@ -607,8 +596,6 @@
             "name" : "033"
          },
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-            "id" : "034",
-            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -622,7 +609,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "034",
+            "name" : "034"
          },
          {
             "data" : [
@@ -643,8 +632,8 @@
             "name" : "035"
          },
          {
-            "name" : "036",
             "id" : "036",
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -675,10 +664,12 @@
                   9
                ]
             ],
-            "name" : "037",
-            "id" : "037"
+            "id" : "037",
+            "name" : "037"
          },
          {
+            "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -692,9 +683,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "038",
-            "id" : "038"
+            ]
          },
          {
             "data" : [
@@ -747,12 +736,12 @@
                   9
                ]
             ],
-            "name" : "041",
-            "id" : "041"
+            "id" : "041",
+            "name" : "041"
          },
          {
-            "name" : "042",
             "id" : "042",
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -769,8 +758,8 @@
             ]
          },
          {
-            "name" : "043",
             "id" : "043",
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -787,6 +776,8 @@
             ]
          },
          {
+            "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -800,13 +791,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "044",
-            "id" : "044"
+            ]
          },
          {
-            "id" : "045",
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -820,9 +807,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "045",
+            "id" : "045"
          },
          {
+            "id" : "046",
+            "name" : "046",
             "data" : [
                [
                   "Perl",
@@ -836,13 +827,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "046",
-            "id" : "046"
+            ]
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-            "id" : "047",
-            "name" : "047",
             "data" : [
                [
                   "Perl",
@@ -856,7 +843,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "047",
+            "id" : "047"
          },
          {
             "data" : [
@@ -877,6 +866,8 @@
             "name" : "048"
          },
          {
+            "name" : "049",
+            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -890,9 +881,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "049",
-            "id" : "049"
+            ]
          },
          {
             "data" : [
@@ -913,8 +902,8 @@
             "id" : "050"
          },
          {
-            "id" : "051",
             "name" : "051",
+            "id" : "051",
             "data" : [
                [
                   "Perl",
@@ -931,6 +920,8 @@
             ]
          },
          {
+            "name" : "052",
+            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -944,13 +935,11 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "052",
-            "name" : "052"
+            ]
          },
          {
-            "id" : "053",
             "name" : "053",
+            "id" : "053",
             "data" : [
                [
                   "Perl",
@@ -967,6 +956,8 @@
             ]
          },
          {
+            "name" : "054",
+            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -980,13 +971,9 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "054",
-            "id" : "054"
+            ]
          },
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-            "id" : "055",
-            "name" : "055",
             "data" : [
                [
                   "Perl",
@@ -1000,7 +987,9 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "055",
+            "name" : "055"
          },
          {
             "data" : [
@@ -1021,6 +1010,8 @@
             "name" : "056"
          },
          {
+            "id" : "057",
+            "name" : "057",
             "data" : [
                [
                   "Perl",
@@ -1034,13 +1025,9 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "057",
-            "name" : "057"
+            ]
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-            "name" : "058",
-            "id" : "058",
             "data" : [
                [
                   "Perl",
@@ -1054,9 +1041,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "058",
+            "id" : "058"
          },
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+            "id" : "059",
+            "name" : "059",
             "data" : [
                [
                   "Perl",
@@ -1070,13 +1061,11 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "059",
-            "name" : "059"
+            ]
          },
          {
-            "name" : "060",
             "id" : "060",
+            "name" : "060",
             "data" : [
                [
                   "Perl",
@@ -1093,8 +1082,6 @@
             ]
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-            "name" : "061",
-            "id" : "061",
             "data" : [
                [<