- Added solutions by Flavio Poletti.

14 files changed, 1466 insertions, 1443 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 930ed3ec47..383a9091bc 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,37 +1,21 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge - 168"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
+   "subtitle" : {
+      "text" : "[Champions: 22] Last updated at 2022-06-12 09:11:15 GMT"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
+   "chart" : {
+      "type" : "column"
    },
-   "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/>"
+   "title" : {
+      "text" : "The Weekly Challenge - 168"
    },
    "series" : [
       {
          "name" : "The Weekly Challenge - 168",
          "data" : [
             {
+               "y" : 2,
                "drilldown" : "Cheok-Yin Fung",
-               "name" : "Cheok-Yin Fung",
-               "y" : 2
+               "name" : "Cheok-Yin Fung"
             },
             {
                "name" : "Dave Jacoby",
@@ -39,9 +23,14 @@
                "y" : 3
             },
             {
+               "name" : "E. Choroba",
                "y" : 2,
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba"
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Flavio Poletti",
+               "y" : 6,
+               "drilldown" : "Flavio Poletti"
             },
             {
                "name" : "Humberto Massa",
@@ -49,19 +38,19 @@
                "y" : 2
             },
             {
-               "drilldown" : "James Smith",
                "name" : "James Smith",
-               "y" : 3
+               "y" : 3,
+               "drilldown" : "James Smith"
             },
             {
-               "drilldown" : "Jorg Sommrey",
                "name" : "Jorg Sommrey",
-               "y" : 1
+               "y" : 1,
+               "drilldown" : "Jorg Sommrey"
             },
             {
+               "name" : "Julien Fiegehenn",
                "y" : 2,
-               "drilldown" : "Julien Fiegehenn",
-               "name" : "Julien Fiegehenn"
+               "drilldown" : "Julien Fiegehenn"
             },
             {
                "y" : 3,
@@ -69,19 +58,19 @@
                "name" : "Laurent Rosenfeld"
             },
             {
-               "y" : 2,
+               "name" : "Lubos Kolouch",
                "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch"
+               "y" : 2
             },
             {
+               "name" : "Luca Ferrari",
                "y" : 8,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
+               "drilldown" : "Luca Ferrari"
             },
             {
                "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
+               "y" : 2,
+               "name" : "Mark Anderson"
             },
             {
                "y" : 2,
@@ -89,9 +78,9 @@
                "name" : "Marton Polgar"
             },
             {
-               "y" : 2,
+               "name" : "Matthew Neleigh",
                "drilldown" : "Matthew Neleigh",
-               "name" : "Matthew Neleigh"
+               "y" : 2
             },
             {
                "name" : "Niels van Dijke",
@@ -100,27 +89,27 @@
             },
             {
                "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith"
             },
             {
-               "y" : 4,
+               "name" : "Robert DiCicco",
                "drilldown" : "Robert DiCicco",
-               "name" : "Robert DiCicco"
+               "y" : 4
             },
             {
-               "y" : 2,
+               "name" : "Robert Ransbottom",
                "drilldown" : "Robert Ransbottom",
-               "name" : "Robert Ransbottom"
+               "y" : 2
             },
             {
-               "y" : 5,
                "drilldown" : "Roger Bell_West",
+               "y" : 5,
                "name" : "Roger Bell_West"
             },
             {
-               "y" : 6,
                "name" : "Ryan Thompson",
+               "y" : 6,
                "drilldown" : "Ryan Thompson"
             },
             {
@@ -129,27 +118,42 @@
                "name" : "Stephen G Lynn"
             },
             {
+               "y" : 3,
                "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan",
-               "y" : 3
+               "name" : "W. Luis Mochan"
             }
          ],
          "colorByPoint" : 1
       }
    ],
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Cheok-Yin Fung",
             "id" : "Cheok-Yin Fung"
          },
          {
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -160,32 +164,47 @@
                   1
                ]
             ],
-            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby"
          },
          {
-            "id" : "E. Choroba",
             "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "E. Choroba"
          },
          {
-            "name" : "Humberto Massa",
-            "id" : "Humberto Massa",
+            "id" : "Flavio Poletti",
             "data" : [
                [
+                  "Perl",
+                  2
+               ],
+               [
                   "Raku",
                   2
+               ],
+               [
+                  "Blog",
+                  2
                ]
-            ]
+            ],
+            "name" : "Flavio Poletti"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Humberto Massa",
+            "name" : "Humberto Massa"
          },
          {
-            "id" : "James Smith",
-            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -195,27 +214,29 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "James Smith",
+            "name" : "James Smith"
          },
          {
+            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey"
+            "name" : "Jorg Sommrey"
          },
          {
             "name" : "Julien Fiegehenn",
-            "id" : "Julien Fiegehenn",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Julien Fiegehenn"
          },
          {
             "name" : "Laurent Rosenfeld",
@@ -236,16 +257,17 @@
             ]
          },
          {
+            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Lubos Kolouch",
             "id" : "Lubos Kolouch"
          },
          {
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -256,52 +278,50 @@
                   6
                ]
             ],
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari"
          },
          {
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
          },
          {
-            "name" : "Marton Polgar",
             "id" : "Marton Polgar",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Marton Polgar"
          },
          {
+            "name" : "Matthew Neleigh",
+            "id" : "Matthew Neleigh",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Matthew Neleigh",
-            "name" : "Matthew Neleigh"
+            ]
          },
          {
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Niels van Dijke"
          },
          {
             "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -311,11 +331,10 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Peter Campbell Smith"
          },
          {
-            "id" : "Robert DiCicco",
-            "name" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
@@ -325,21 +344,21 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Robert DiCicco",
+            "name" : "Robert DiCicco"
          },
          {
             "id" : "Robert Ransbottom",
-            "name" : "Robert Ransbottom",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Robert Ransbottom"
          },
          {
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -353,11 +372,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
          },
          {
-            "name" : "Ryan Thompson",
-            "id" : "Ryan Thompson",
             "data" : [
                [
                   "Perl",
@@ -371,10 +390,11 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Ryan Thompson",
+            "name" : "Ryan Thompson"
          },
          {
-            "id" : "Stephen G Lynn",
             "name" : "Stephen G Lynn",
             "data" : [
                [
@@ -385,9 +405,11 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Stephen G Lynn"
          },
          {
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -398,18 +420,19 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan"
          }
       ]
    },
    "xAxis" : {
       "type" : "category"
    },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : 0
    },
-   "subtitle" : {
-      "text" : "[Champions: 21] Last updated at 2022-06-12 09:01:12 GMT"
+   "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/>"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index f497546f4a..58914a33a0 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "series" : [
       {
          "name" : "Contributions",
+         "dataLabels" : {
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "rotation" : -90,
+            "enabled" : "true",
+            "color" : "#FFFFFF",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "align" : "right"
+         },
          "data" : [
             [
                "Blog",
-               2604
+               2606
             ],
             [
                "Perl",
-               8184
+               8186
             ],
             [
                "Raku",
-               4846
+               4848
             ]
-         ],
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "rotation" : -90,
-            "y" : 10,
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
-            "align" : "right"
-         }
+         ]
       }
    ],
-   "subtitle" : {
-      "text" : "Last updated at 2022-06-12 09:01:12 GMT"
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
    },
    "chart" : {
       "type" : "column"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2022-06-12 09:11:14 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 71c1ae14cf..67095f8cac 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,4 +1,10 @@
 {
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2022-06-12 09:11:15 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
    "series" : [
       {
          "colorByPoint" : "true",
@@ -15,13 +21,13 @@
             },
             {
                "name" : "#003",
-               "drilldown" : "003",
-               "y" : 83
+               "y" : 83,
+               "drilldown" : "003"
             },
             {
-               "drilldown" : "004",
                "name" : "#004",
-               "y" : 99
+               "y" : 99,
+               "drilldown" : "004"
             },
             {
                "y" : 78,
@@ -34,9 +40,9 @@
                "y" : 58
             },
             {
-               "y" : 64,
+               "name" : "#007",
                "drilldown" : "007",
-               "name" : "#007"
+               "y" : 64
             },
             {
                "y" : 78,
@@ -44,39 +50,39 @@
                "name" : "#008"
             },
             {
-               "drilldown" : "009",
                "name" : "#009",
+               "drilldown" : "009",
                "y" : 76
             },
             {
                "drilldown" : "010",
-               "name" : "#010",
-               "y" : 65
+               "y" : 65,
+               "name" : "#010"
             },
             {
+               "y" : 85,
                "drilldown" : "011",
-               "name" : "#011",
-               "y" : 85
+               "name" : "#011"
             },
             {
                "y" : 89,
-               "name" : "#012",
-               "drilldown" : "012"
+               "drilldown" : "012",
+               "name" : "#012"
             },
             {
                "name" : "#013",
-               "drilldown" : "013",
-               "y" : 85
+               "y" : 85,
+               "drilldown" : "013"
             },
             {
-               "y" : 101,
                "name" : "#014",
+               "y" : 101,
                "drilldown" : "014"
             },
             {
-               "drilldown" : "015",
                "name" : "#015",
-               "y" : 99
+               "y" : 99,
+               "drilldown" : "015"
             },
             {
                "y" : 71,
@@ -84,64 +90,64 @@
                "name" : "#016"
             },
             {
+               "y" : 84,
                "drilldown" : "017",
-               "name" : "#017",
-               "y" : 84
+               "name" : "#017"
             },
             {
-               "y" : 81,
                "name" : "#018",
+               "y" : 81,
                "drilldown" : "018"
             },
             {
                "drilldown" : "019",
-               "name" : "#019",
-               "y" : 103
+               "y" : 103,
+               "name" : "#019"
             },
             {
-               "name" : "#020",
                "drilldown" : "020",
-               "y" : 101
+               "y" : 101,
+               "name" : "#020"
             },
             {
                "drilldown" : "021",
-               "name" : "#021",
-               "y" : 72
+               "y" : 72,
+               "name" : "#021"
             },
             {
                "y" : 68,
-               "name" : "#022",
-               "drilldown" : "022"
+               "drilldown" : "022",
+               "name" : "#022"
             },
             {
-               "name" : "#023",
                "drilldown" : "023",
-               "y" : 97
+               "y" : 97,
+               "name" : "#023"
             },
             {
-               "drilldown" : "024",
                "name" : "#024",
-               "y" : 75
+               "y" : 75,
+               "drilldown" : "024"
             },
             {
-               "drilldown" : "025",
                "name" : "#025",
-               "y" : 59
+               "y" : 59,
+               "drilldown" : "025"
             },
             {
-               "name" : "#026",
+               "y" : 74,
                "drilldown" : "026",
-               "y" : 74
+               "name" : "#026"
             },
             {
+               "drilldown" : "027",
                "y" : 62,
-               "name" : "#027",
-               "drilldown" : "027"
+               "name" : "#027"
             },
             {
                "drilldown" : "028",
-               "name" : "#028",
-               "y" : 82
+               "y" : 82,
+               "name" : "#028"
             },
             {
                "y" : 81,
@@ -149,69 +155,69 @@
                "name" : "#029"
             },
             {
+               "name" : "#030",
                "y" : 119,
-               "drilldown" : "030",
-               "name" : "#030"
+               "drilldown" : "030"
             },
             {
-               "drilldown" : "031",
                "name" : "#031",
-               "y" : 91
+               "y" : 91,
+               "drilldown" : "031"
             },
             {
-               "y" : 96,
                "name" : "#032",
+               "y" : 96,
                "drilldown" : "032"
             },
             {
+               "drilldown" : "033",
                "y" : 112,
-               "name" : "#033",
-               "drilldown" : "033"
+               "name" : "#033"
             },
             {
-               "y" : 66,
                "drilldown" : "034",
+               "y" : 66,
                "name" : "#034"
             },
             {
-               "y" : 66,
                "name" : "#035",
+               "y" : 66,
                "drilldown" : "035"
             },
             {
+               "y" : 70,
                "drilldown" : "036",
-               "name" : "#036",
-               "y" : 70
+               "name" : "#036"
             },
             {
-               "name" : "#037",
+               "y" : 69,
                "drilldown" : "037",
-               "y" : 69
+               "name" : "#037"
             },
             {
+               "drilldown" : "038",
                "y" : 70,
-               "name" : "#038",
-               "drilldown" : "038"
+               "name" : "#038"
             },
             {
+               "name" : "#039",
                "y" : 64,
-               "drilldown" : "039",
-               "name" : "#039"
+               "drilldown" : "039"
             },
             {
-               "y" : 75,
                "drilldown" : "040",
+               "y" : 75,
                "name" : "#040"
             },
             {
-               "y" : 78,
                "name" : "#041",
+               "y" : 78,
                "drilldown" : "041"
             },
             {
+               "name" : "#042",
                "y" : 94,
-               "drilldown" : "042",
-               "name" : "#042"
+               "drilldown" : "042"
             },
             {
                "name" : "#043",
@@ -219,78 +225,78 @@
                "y" : 70
             },
             {
-               "name" : "#044",
+               "y" : 87,
                "drilldown" : "044",
-               "y" : 87
+               "name" : "#044"
             },
             {
-               "name" : "#045",
                "drilldown" : "045",
-               "y" : 98
+               "y" : 98,
+               "name" : "#045"
             },
             {
                "y" : 89,
-               "name" : "#046",
-               "drilldown" : "046"
+               "drilldown" : "046",
+               "name" : "#046"
             },
             {
-               "name" : "#047",
                "drilldown" : "047",
-               "y" : 86
+               "y" : 86,
+               "name" : "#047"
             },
             {
+               "y" : 110,
                "drilldown" : "048",
-               "name" : "#048",
-               "y" : 110
+               "name" : "#048"
             },
             {
-               "y" : 91,
+               "name" : "#049",
                "drilldown" : "049",
-               "name" : "#049"
+               "y" : 91
             },
             {
+               "y" : 100,
                "drilldown" : "050",
-               "name" : "#050",
-               "y" : 100
+               "name" : "#050"
             },
             {
-               "y" : 91,
                "name" : "#051",
+               "y" : 91,
                "drilldown" : "051"
             },
             {
                "drilldown" : "052",
-               "name" : "#052",
-               "y" : 93
+               "y" : 93,
+               "name" : "#052"
             },
             {
-               "y" : 103,
                "name" : "#053",
+               "y" : 103,
                "drilldown" : "053"
             },
             {
                "drilldown" : "054",
-               "name" : "#054",
-               "y" : 105
+               "y" : 105,
+               "name" : "#054"
             },
             {
                "y" : 90,
-               "name" : "#055",
-               "drilldown" : "055"
+               "drilldown" : "055",
+               "name" : "#055"
             },
             {
-               "drilldown" : "056",
                "name" : "#056",
-               "y" : 97
+               "y" : 97,
+               "drilldown" : "056"
             },
             {
+               "drilldown" : "057",
                "y" : 82,
-               "name" : "#057",
-               "drilldown" : "057"
+               "name" : "#057"
             },
             {
-               "drilldown" : "058",
                "name" : "#058",
+               "drilldown" : "058",
                "y" : 71
             },
             {
@@ -299,14 +305,14 @@
                "y" : 91
             },
             {
-               "y" : 87,
+               "name" : "#060",
                "drilldown" : "060",
-               "name" : "#060"
+               "y" : 87
             },
             {
+               "name" : "#061",
                "y" : 83,
-               "drilldown" : "061",
-               "name" : "#061"
+               "drilldown" : "061"
             },
             {
                "y" : 60,
@@ -314,34 +320,34 @@
                "name" : "#062"
             },
             {
-               "y" : 91,
                "name" : "#063",
+               "y" : 91,
                "drilldown" : "063"
             },
             {
-               "drilldown" : "064",
                "name" : "#064",
-               "y" : 82
+               "y" : 82,
+               "drilldown" : "064"
             },
             {
+               "drilldown" : "065",
                "y" : 75,
-               "name" : "#065",
-               "drilldown" : "065"
+               "name" : "#065"
             },
             {
-               "name" : "#066",
+               "y" : 86,
                "drilldown" : "066",
-               "y" : 86
+               "name" : "#066"
             },
             {
-               "name" : "#067",
                "drilldown" : "067",
-               "y" : 92
+               "y" : 92,
+               "name" : "#067"
             },
             {
+               "name" : "#068",
                "y" : 77,
-               "drilldown" : "068",
-               "name" : "#068"
+               "drilldown" : "068"
             },
             {
                "y" : 85,
@@ -350,8 +356,8 @@
             },
             {
                "name" : "#070",
-               "drilldown" : "070",
-               "y" : 95
+               "y" : 95,
+               "drilldown" : "070"
             },
             {
                "y" : 80,
@@ -359,53 +365,53 @@
                "name" : "#071"
             },
             {
-               "drilldown" : "072",
                "name" : "#072",
+               "drilldown" : "072",
                "y" : 114
             },
             {
-               "y" : 112,
                "drilldown" : "073",
+               "y" : 112,
                "name" : "#073"
             },
             {
-               "drilldown" : "074",
                "name" : "#074",
+               "drilldown" : "074",
                "y" : 117
             },
             {
-               "drilldown" : "075",
                "name" : "#075",
-               "y" : 117
+               "y" : 117,
+               "