- Added solutions by Flavio Poletti.

14 files changed, 2233 insertions, 2210 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 06ec20ea51..1c9ccf1392 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,96 +1,31 @@
 {
-   "title" : {
-      "text" : "The Weekly Challenge - 151"
+   "legend" : {
+      "enabled" : 0
    },
    "chart" : {
       "type" : "column"
    },
-   "subtitle" : {
-      "text" : "[Champions: 9] Last updated at 2022-02-08 20:11:37 GMT"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 2,
-               "name" : "Abigail",
-               "drilldown" : "Abigail"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
-               "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "James Smith",
-               "name" : "James Smith"
-            },
-            {
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "y" : 1,
-               "name" : "Mohammad S Anwar",
-               "drilldown" : "Mohammad S Anwar"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
-            },
-            {
-               "y" : 4,
-               "name" : "Ulrich Rieke",
-               "drilldown" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan",
-               "y" : 3
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 151"
-      }
-   ],
-   "xAxis" : {
-      "type" : "category"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
+   "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/>"
    },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "The Weekly Challenge - 151"
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Abigail",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Abigail",
-            "name" : "Abigail"
+            "id" : "Abigail"
          },
          {
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -100,20 +35,39 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby"
          },
          {
-            "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "E. Choroba"
+            "name" : "E. Choroba"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Flavio Poletti",
+            "id" : "Flavio Poletti"
          },
          {
-            "name" : "James Smith",
             "id" : "James Smith",
             "data" : [
                [
@@ -124,31 +78,32 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "James Smith"
          },
          {
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
-            "id" : "Mohammad S Anwar",
+            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Mohammad S Anwar"
+            "id" : "Mohammad S Anwar"
          },
          {
-            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -161,7 +116,6 @@
             ]
          },
          {
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -172,9 +126,11 @@
                   2
                ]
             ],
+            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke"
          },
          {
+            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan",
             "data" : [
                [
@@ -185,15 +141,82 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "W. Luis Mochan"
+            ]
          }
       ]
    },
-   "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
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "subtitle" : {
+      "text" : "[Champions: 10] Last updated at 2022-02-09 07:49:04 GMT"
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 151",
+         "data" : [
+            {
+               "y" : 2,
+               "name" : "Abigail",
+               "drilldown" : "Abigail"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
+               "y" : 3
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "y" : 6,
+               "drilldown" : "Flavio Poletti",
+               "name" : "Flavio Poletti"
+            },
+            {
+               "name" : "James Smith",
+               "drilldown" : "James Smith",
+               "y" : 3
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
+            },
+            {
+               "y" : 1,
+               "name" : "Mohammad S Anwar",
+               "drilldown" : "Mohammad S Anwar"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ]
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
    },
    "yAxis" : {
       "title" : {
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 36751a4d2b..2bb5715aed 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,49 +1,43 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "series" : [
       {
+         "dataLabels" : {
+            "rotation" : -90,
+            "y" : 10,
+            "align" : "right",
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "format" : "{point.y:.0f}"
+         },
          "data" : [
             [
                "Blog",
-               2258
+               2260
             ],
             [
                "Perl",
-               7263
+               7265
             ],
             [
                "Raku",
-               4361
+               4363
             ]
          ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "enabled" : "true",
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "y" : 10,
-            "rotation" : -90,
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            }
-         }
+         "name" : "Contributions"
       }
    ],
    "subtitle" : {
-      "text" : "Last updated at 2022-02-08 20:11:37 GMT"
+      "text" : "Last updated at 2022-02-09 07:49:04 GMT"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
    },
    "xAxis" : {
       "type" : "category",
@@ -54,10 +48,16 @@
          }
       }
    },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
    "chart" : {
       "type" : "column"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2022]"
+   "legend" : {
+      "enabled" : "false"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 300eafbd9c..7364fb7800 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,11 +1,804 @@
 {
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 161,
+               "name" : "#001",
+               "drilldown" : "001"
+            },
+            {
+               "drilldown" : "002",
+               "name" : "#002",
+               "y" : 125
+            },
+            {
+               "drilldown" : "003",
+               "name" : "#003",
+               "y" : 83
+            },
+            {
+               "y" : 99,
+               "drilldown" : "004",
+               "name" : "#004"
+            },
+            {
+               "y" : 78,
+               "drilldown" : "005",
+               "name" : "#005"
+            },
+            {
+               "name" : "#006",
+               "drilldown" : "006",
+               "y" : 58
+            },
+            {
+               "y" : 64,
+               "drilldown" : "007",
+               "name" : "#007"
+            },
+            {
+               "drilldown" : "008",
+               "name" : "#008",
+               "y" : 78
+            },
+            {
+               "y" : 76,
+               "name" : "#009",
+               "drilldown" : "009"
+            },
+            {
+               "y" : 65,
+               "name" : "#010",
+               "drilldown" : "010"
+            },
+            {
+               "y" : 85,
+               "drilldown" : "011",
+               "name" : "#011"
+            },
+            {
+               "y" : 89,
+               "drilldown" : "012",
+               "name" : "#012"
+            },
+            {
+               "name" : "#013",
+               "drilldown" : "013",
+               "y" : 85
+            },
+            {
+               "y" : 101,
+               "drilldown" : "014",
+               "name" : "#014"
+            },
+            {
+               "y" : 99,
+               "name" : "#015",
+               "drilldown" : "015"
+            },
+            {
+               "y" : 71,
+               "drilldown" : "016",
+               "name" : "#016"
+            },
+            {
+               "y" : 84,
+               "drilldown" : "017",
+               "name" : "#017"
+            },
+            {
+               "y" : 81,
+               "drilldown" : "018",
+               "name" : "#018"
+            },
+            {
+               "y" : 103,
+               "drilldown" : "019",
+               "name" : "#019"
+            },
+            {
+               "y" : 101,
+               "name" : "#020",
+               "drilldown" : "020"
+            },
+            {
+               "y" : 72,
+               "name" : "#021",
+               "drilldown" : "021"
+            },
+            {
+               "name" : "#022",
+               "drilldown" : "022",
+               "y" : 68
+            },
+            {
+               "drilldown" : "023",
+               "name" : "#023",
+               "y" : 97
+            },
+            {
+               "y" : 75,
+               "drilldown" : "024",
+               "name" : "#024"
+            },
+            {
+               "drilldown" : "025",
+               "name" : "#025",
+               "y" : 59
+            },
+            {
+               "y" : 74,
+               "name" : "#026",
+               "drilldown" : "026"
+            },
+            {
+               "y" : 62,
+               "drilldown" : "027",
+               "name" : "#027"
+            },
+            {
+               "name" : "#028",
+               "drilldown" : "028",
+               "y" : 82
+            },
+            {
+               "y" : 81,
+               "drilldown" : "029",
+               "name" : "#029"
+            },
+            {
+               "name" : "#030",
+               "drilldown" : "030",
+               "y" : 119
+            },
+            {
+               "y" : 91,
+               "drilldown" : "031",
+               "name" : "#031"
+            },
+            {
+               "drilldown" : "032",
+               "name" : "#032",
+               "y" : 96
+            },
+            {
+               "name" : "#033",
+               "drilldown" : "033",
+               "y" : 112
+            },
+            {
+               "y" : 66,
+               "drilldown" : "034",
+               "name" : "#034"
+            },
+            {
+               "name" : "#035",
+               "drilldown" : "035",
+               "y" : 66
+            },
+            {
+               "name" : "#036",
+               "drilldown" : "036",
+               "y" : 68
+            },
+            {
+               "name" : "#037",
+               "drilldown" : "037",
+               "y" : 67
+            },
+            {
+               "drilldown" : "038",
+               "name" : "#038",
+               "y" : 68
+            },
+            {
+               "y" : 62,
+               "drilldown" : "039",
+               "name" : "#039"
+            },
+            {
+               "drilldown" : "040",
+               "name" : "#040",
+               "y" : 73
+            },
+            {
+               "name" : "#041",
+               "drilldown" : "041",
+               "y" : 76
+            },
+            {
+               "drilldown" : "042",
+               "name" : "#042",
+               "y" : 92
+            },
+            {
+               "y" : 68,
+               "name" : "#043",
+               "drilldown" : "043"
+            },
+            {
+               "name" : "#044",
+               "drilldown" : "044",
+               "y" : 85
+            },
+            {
+               "y" : 96,
+               "drilldown" : "045",
+               "name" : "#045"
+            },
+            {
+               "name" : "#046",
+               "drilldown" : "046",
+               "y" : 87
+            },
+            {
+               "y" : 84,
+               "name" : "#047",
+               "drilldown" : "047"
+            },
+            {
+               "name" : "#048",
+               "drilldown" : "048",
+               "y" : 108
+            },
+            {
+               "name" : "#049",
+               "drilldown" : "049",
+               "y" : 89
+            },
+            {
+               "drilldown" : "050",
+               "name" : "#050",
+               "y" : 98
+            },
+            {
+               "y" : 89,
+               "drilldown" : "051",
+               "name" : "#051"
+            },
+            {
+               "y" : 91,
+               "name" : "#052",
+               "drilldown" : "052"
+            },
+            {
+               "y" : 101,
+               "drilldown" : "053",
+               "name" : "#053"
+            },
+            {
+               "y" : 103,
+               "name" : "#054",
+               "drilldown" : "054"
+            },
+            {
+               "y" : 88,
+               "name" : "#055",
+               "drilldown" : "055"
+            },
+            {
+               "drilldown" : "056",
+               "name" : "#056",
+               "y" : 95
+            },
+            {
+               "y" : 80,
+               "name" : "#057",
+               "drilldown" : "057"
+            },
+            {
+               "name" : "#058",
+               "drilldown" : "058",
+               "y" : 69
+            },
+            {
+               "y" : 89,
+               "drilldown" : "059",
+               "name" : "#059"
+            },
+            {
+               "y" : 85,
+               "name" : "#060",
+               "drilldown" : "060"
+            },
+            {
+               "name" : "#061",
+               "drilldown" : "061",
+               "y" : 81
+            },
+            {
+               "y" : 58,
+               "drilldown" : "062",
+               "name" : "#062"
+            },
+            {
+               "name" : "#063",
+               "drilldown" : "063",
+               "y" : 89
+            },
+            {
+               "y" : 80,
+               "drilldown" : "064",
+               "name" : "#064"
+            },
+            {
+               "name" : "#065",
+               "drilldown" : "065",
+               "y" : 73
+            },
+            {
+               "y" : 84,
+               "drilldown" : "066",
+               "name" : "#066"
+            },
+            {
+               "y" : 90,
+               "name" : "#067",
+               "drilldown" : "067"
+            },
+            {
+               "y" : 75,
+               "name" : "#068",
+               "drilldown" : "068"
+            },
+            {
+               "y" : 83,
+               "name" : "#069",
+               "drilldown" : "069"
+            },
+            {
+               "y" : 93,
+               "name" : "#070",
+               "drilldown" : "070"
+            },
+            {
+               "y" : 78,
+               "name" : "#071",
+               "drilldown" : "071"
+            },
+            {
+               "name" : "#072",
+               "drilldown" : "072",
+               "y" : 112
+            },
+            {
+               "name" : "#073",
+               "drilldown" : "073",
+               "y" : 110
+            },
+            {
+               "name" : "#074",
+               "drilldown" : "074",
+               "y" : 115
+            },
+            {
+               "drilldown" : "075",
+               "name" : "#075",
+               "y" : 115
+            },
+            {
+               "y" : 101,
+               "name" : "#076",
+               "drilldown" : "076"
+            },
+            {
+               "name" : "#077",
+               "drilldown" : "077",
+               "y" : 98
+            },
+            {
+               "name" : "#078",
+               "drilldown" : "078",
+               "y" : 127
+            },
+            {
+               "y" : 122,
+               "drilldown" : "079",
+               "name" : "#079"
+            },
+            {
+               "name" : "#080",
+               "drilldown" : "080",
+               "y" : 127
+            },
+            {
+               "y" : 114,
+               "drilldown" : "081",
+               "name" : "#081"
+            },
+            {
+               "y" : 114,
+               "drilldown" : "082",
+               "name" : "#082"
+            },
+            {
+               "y" : 127,
+               "name" : "#083",
+               "drilldown" : "083"
+            },
+            {
+               "drilldown" : "084",
+               "name" : "#084",
+               "y" : 119
+            },
+            {
+               "y" : 114,
+               "drilldown" : "085",
+               "name" : "#085"
+            },
+            {
+               "drilldown" : "086",
+               "name" : "#086",
+               "y" : 104
+            },
+            {
+               "y" : 101,
+               "name" : "#087",
+               "drilldown" : "087"
+            },
+            {
+               "name" : "#088",
+               "drilldown" : "088",
+               "y" : 121
+            },
+            {
+               "drilldown" : "089",
+               "name" : "#089",
+               "y" : 113
+            },
+            {
+               "name" : "#090",
+               "drilldown" : "090",
+               "y" : 113
+            },
+            {
+               "y" : 108,
+               "name" : "#091",
+               "drilldown" : "091"
+            },
+            {
+               "drilldown" : "092",
+               "name" : "#092",
+               "y" : 98
+            },
+            {
+               "y" : 87,
+               "name" : "#093",
+               "drilldown" : "093"
+            },
+            {
+               "drilldown" : "094",
+               "name" : "#094",
+               "y" : 87
+            },
+            {
+               "y" : 108,
+               "drilldown" : "095",
+               "name" : "#095"
+            },
+            {
+               "name" : "#096",
+               "drilldown" : "096",
+               "y" : 108
+            },
+            {
+               "drilldown" : "097",
+               "name" : "#097",
+               "y" : 111
+            },
+            {
+               "y" : 108,
+               "drilldown" : "098",
+               "name" : "#098"
+            },
+            {
+               "name" : "#099",
+               "drilldown" : "099",
+               "y" : 97
+            },
+            {
+               "name" : "#100",
+               "drilldown" : "100",
+               "y" : 120
+            },
+            {
+               "y" : 83,
+               "drilldown" : "101",
+               "name" : "#101"
+            },
+            {
+               "name" : "#102",
+               "drilldown" : "102",
+               "y" : 90
+            },
+            {
+               "drilldown" : "103",
+               "name" : "#103",
+               "y" : 79
+            },
+            {
+               "y" : 85,
+               "name" : "#104",
+               "drilldown" : "104"
+            },
+            {
+               "y" : 75,
+               "drilldown" : "105",
+               "name" : "#105"
+            },
+            {
+               "y" : 97,
+               "name" : "#106",
+               "drilldown" : "106"
+            },
+            {
+               "name" : "#107",
+               "drilldown" : "107",
+               "y" : 90
+            },
+            {
+               "y" : 94,
+               "name" : "#108",
+               "drilldown" : "108"
+            },
+            {
+               "drilldown" : "109",
+               "name" : "#109",
+               "y" : 107
+            },
+            {
+               "drilldown" : "110",
+               "name" : "#110",
+               "y" : 108
+            },
+            {
+               "drilldown" : "111",
+               "name" : "#111",
+               "y" : 91
+            },
+            {
+               "y" : 92,
+               "drilldown" : "112",
+               "name" : "#112"
+            },
+            {
+               "y" : 92,
+               "drilldown" : "113",
+               "name" : "#113"
+            },
+            {
+               "y" : 108,
+               "name" : "#114",
+               "drilldown" : "114"
+            },
+            {
+               "y" : 96,
+               "drilldown" : "115",
+               "name" : "#115"
+            },
+            {
+               "y" : 95,
+               "name" : "#116",
+               "drilldown" : "116"
+            },
+            {
+               "y" : 97,
+               "drilldown" : "117",
+               "name" : "#117"
+            },
+            {
+               "y" : 83,
+               "name" : "#118",
+               "drilldown" : "118"
+            },
+            {
+               "name" : "#119",
+               "drilldown" : "119",
+               "y" : 125
+            },
+            {
+               "y" : 116,
+               "drilldown" : "120",
+               "name" : "#120"
+            },
+            {
+               "name" : "#121",
+               "drilldown" : "121",
+               "y" : 92
+            },
+            {
+               "drilldown" : "122",
+               "name" : "#122",
+               "y" : 110
+            },
+            {
+               "y" : 105,
+               "name" : "#123",
+               "drilldown" : "123"
+            },
+            {
+               "name" : "#124",
+               "drilldown" : "124",
+               "y" : 85
+            },
+            {
+               "drilldown" : "125",
+               "name" : "#125",
+               "y" : 63
+            },
+            {
+               "name" : "#126",
+               "drilldown" : "126",
+               "y" : 113
+            },
+            {
+               "name" : "#127",
+               "drilldown" : "127",
+               "y" : 110
+            },
+            {
+               "drilldown" : "128",
+               "name" : "#128",
+               "y" : 71
+            },
+            {
+               "y" : 50,
+               "name" : "#129",
+               "drilldown" : "129"
+            },
+            {
+               "y" : 73,
+               "drilldown" : "130",
+               "name" : "#130"
+            },
+            {
+               "y" : 91,
+               "drilldown" : "131",
+               "name" : "#131"
+            },
+            {
+               "drilldown" : "132",
+               "name" : "#132",
+               "y" : 78
+            },
+            {
+               "y" : 95,
+               "name" : "#133",
+               "drilldown" : "133"
+            },
+            {
+               "name" : "#134",
+               "drilldown" : "134",
+               "y" : 94
+            },
+            {
+               "y" : 104,
+               "drilldown" : "135",
+               "name" : "#135"
+            },
+            {
+               "drilldown" : "136",
+               "name" : "#136",
+               "y" : 95
+            },
+            {
+               "y" : 100,
+               "name" : "#137",
+               "drilldown" : "137"
+            },
+            {
+               "name" : "#138",
+               "drilldown" : "138",
+               "y" : 100
+            },
+            {
+               "y" : 97,
+               "drilldown" : "139",
+               "name" : "#139"
+            },
+