- Added solutions by Luca Ferrari.

18 files changed, 1515 insertions, 1496 deletions

diff --git a/challenge-102/luca-ferrari/blog-1.txt b/challenge-103/luca-ferrari/blog-1.txt
index bd1b918530..bd1b918530 100644
--- a/challenge-102/luca-ferrari/blog-1.txt
+++ b/challenge-103/luca-ferrari/blog-1.txt
diff --git a/challenge-102/luca-ferrari/blog-2.txt b/challenge-103/luca-ferrari/blog-2.txt
index 80df7ccc0f..80df7ccc0f 100644
--- a/challenge-102/luca-ferrari/blog-2.txt
+++ b/challenge-103/luca-ferrari/blog-2.txt
diff --git a/challenge-102/luca-ferrari/raku/ch-1.p6 b/challenge-103/luca-ferrari/raku/ch-1.p6
index e4548522fc..e4548522fc 100644
--- a/challenge-102/luca-ferrari/raku/ch-1.p6
+++ b/challenge-103/luca-ferrari/raku/ch-1.p6
diff --git a/challenge-102/luca-ferrari/raku/ch-2.p6 b/challenge-103/luca-ferrari/raku/ch-2.p6
index 9ea6e731df..9ea6e731df 100644
--- a/challenge-102/luca-ferrari/raku/ch-2.p6
+++ b/challenge-103/luca-ferrari/raku/ch-2.p6
diff --git a/challenge-102/luca-ferrari/raku/filelist.csv b/challenge-103/luca-ferrari/raku/filelist.csv
index 9428b93004..9428b93004 100644
--- a/challenge-102/luca-ferrari/raku/filelist.csv
+++ b/challenge-103/luca-ferrari/raku/filelist.csv
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 0ba8665d45..c02ca0ff2d 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,22 +1,35 @@
 {
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge - 103",
-         "data" : [
-            {
-               "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor",
-               "y" : 1
-            }
-         ],
-         "colorByPoint" : 1
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
-   ],
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Simon Proctor",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
+         },
+         {
             "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
@@ -26,38 +39,44 @@
          }
       ]
    },
+   "xAxis" : {
+      "type" : "category"
+   },
    "subtitle" : {
-      "text" : "[Champions: 1] Last updated at 2021-03-08 14:05:29 GMT"
+      "text" : "[Champions: 2] Last updated at 2021-03-08 14:19:57 GMT"
    },
-   "chart" : {
-      "type" : "column"
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge - 103",
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 4,
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor"
+            }
+         ]
+      }
+   ],
+   "legend" : {
+      "enabled" : 0
    },
    "title" : {
       "text" : "Perl Weekly Challenge - 103"
    },
+   "tooltip" : {
+      "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/>",
+      "followPointer" : 1
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "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
-   },
-   "xAxis" : {
-      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index b3f856c1f3..f146108883 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,47 +1,37 @@
 {
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
+      },
+      "min" : 0
    },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      }
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "legend" : {
       "enabled" : "false"
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "series" : [
       {
-         "name" : "Contributions",
          "dataLabels" : {
-            "format" : "{point.y:.0f}",
+            "align" : "right",
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "color" : "#FFFFFF",
-            "align" : "right",
             "enabled" : "true",
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
             "rotation" : -90,
             "y" : 10
          },
          "data" : [
             [
                "Blog",
-               1379
+               1381
             ],
             [
                "Perl",
@@ -49,15 +39,25 @@
             ],
             [
                "Raku",
-               3090
+               3092
             ]
-         ]
+         ],
+         "name" : "Contributions"
       }
    ],
    "subtitle" : {
-      "text" : "Last updated at 2021-03-08 14:05:29 GMT"
+      "text" : "Last updated at 2021-03-08 14:19:57 GMT"
    },
    "chart" : {
       "type" : "column"
+   },
+   "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 23810338db..e5e7c19144 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,13 +1,538 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge Languages",
+         "colorByPoint" : "true",
+         "data" : [
+            {
+               "y" : 159,
+               "drilldown" : "001",
+               "name" : "#001"
+            },
+            {
+               "drilldown" : "002",
+               "name" : "#002",
+               "y" : 123
+            },
+            {
+               "y" : 79,
+               "drilldown" : "003",
+               "name" : "#003"
+            },
+            {
+               "y" : 97,
+               "drilldown" : "004",
+               "name" : "#004"
+            },
+            {
+               "name" : "#005",
+               "drilldown" : "005",
+               "y" : 76
+            },
+            {
+               "y" : 56,
+               "name" : "#006",
+               "drilldown" : "006"
+            },
+            {
+               "y" : 63,
+               "name" : "#007",
+               "drilldown" : "007"
+            },
+            {
+               "y" : 76,
+               "drilldown" : "008",
+               "name" : "#008"
+            },
+            {
+               "y" : 74,
+               "name" : "#009",
+               "drilldown" : "009"
+            },
+            {
+               "y" : 64,
+               "drilldown" : "010",
+               "name" : "#010"
+            },
+            {
+               "drilldown" : "011",
+               "name" : "#011",
+               "y" : 83
+            },
+            {
+               "drilldown" : "012",
+               "name" : "#012",
+               "y" : 87
+            },
+            {
+               "name" : "#013",
+               "drilldown" : "013",
+               "y" : 82
+            },
+            {
+               "drilldown" : "014",
+               "name" : "#014",
+               "y" : 100
+            },
+            {
+               "y" : 97,
+               "drilldown" : "015",
+               "name" : "#015"
+            },
+            {
+               "y" : 70,
+               "name" : "#016",
+               "drilldown" : "016"
+            },
+            {
+               "y" : 83,
+               "name" : "#017",
+               "drilldown" : "017"
+            },
+            {
+               "y" : 80,
+               "drilldown" : "018",
+               "name" : "#018"
+            },
+            {
+               "y" : 101,
+               "drilldown" : "019",
+               "name" : "#019"
+            },
+            {
+               "y" : 99,
+               "drilldown" : "020",
+               "name" : "#020"
+            },
+            {
+               "drilldown" : "021",
+               "name" : "#021",
+               "y" : 71
+            },
+            {
+               "name" : "#022",
+               "drilldown" : "022",
+               "y" : 67
+            },
+            {
+               "name" : "#023",
+               "drilldown" : "023",
+               "y" : 95
+            },
+            {
+               "drilldown" : "024",
+               "name" : "#024",
+               "y" : 74
+            },
+            {
+               "name" : "#025",
+               "drilldown" : "025",
+               "y" : 59
+            },
+            {
+               "y" : 74,
+               "drilldown" : "026",
+               "name" : "#026"
+            },
+            {
+               "y" : 60,
+               "drilldown" : "027",
+               "name" : "#027"
+            },
+            {
+               "drilldown" : "028",
+               "name" : "#028",
+               "y" : 80
+            },
+            {
+               "name" : "#029",
+               "drilldown" : "029",
+               "y" : 79
+            },
+            {
+               "drilldown" : "030",
+               "name" : "#030",
+               "y" : 117
+            },
+            {
+               "name" : "#031",
+               "drilldown" : "031",
+               "y" : 89
+            },
+            {
+               "y" : 94,
+               "drilldown" : "032",
+               "name" : "#032"
+            },
+            {
+               "y" : 110,
+               "drilldown" : "033",
+               "name" : "#033"
+            },
+            {
+               "drilldown" : "034",
+               "name" : "#034",
+               "y" : 64
+            },
+            {
+               "drilldown" : "035",
+               "name" : "#035",
+               "y" : 64
+            },
+            {
+               "drilldown" : "036",
+               "name" : "#036",
+               "y" : 68
+            },
+            {
+               "y" : 67,
+               "name" : "#037",
+               "drilldown" : "037"
+            },
+            {
+               "name" : "#038",
+               "drilldown" : "038",
+               "y" : 67
+            },
+            {
+               "name" : "#039",
+               "drilldown" : "039",
+               "y" : 62
+            },
+            {
+               "drilldown" : "040",
+               "name" : "#040",
+               "y" : 73
+            },
+            {
+               "y" : 76,
+               "name" : "#041",
+               "drilldown" : "041"
+            },
+            {
+               "y" : 92,
+               "drilldown" : "042",
+               "name" : "#042"
+            },
+            {
+               "y" : 68,
+               "drilldown" : "043",
+               "name" : "#043"
+            },
+            {
+               "drilldown" : "044",
+               "name" : "#044",
+               "y" : 85
+            },
+            {
+               "y" : 96,
+               "name" : "#045",
+               "drilldown" : "045"
+            },
+            {
+               "drilldown" : "046",
+               "name" : "#046",
+               "y" : 87
+            },
+            {
+               "y" : 84,
+               "drilldown" : "047",
+               "name" : "#047"
+            },
+            {
+               "name" : "#048",
+               "drilldown" : "048",
+               "y" : 108
+            },
+            {
+               "name" : "#049",
+               "drilldown" : "049",
+               "y" : 89
+            },
+            {
+               "y" : 98,
+               "drilldown" : "050",
+               "name" : "#050"
+            },
+            {
+               "drilldown" : "051",
+               "name" : "#051",
+               "y" : 89
+            },
+            {
+               "y" : 91,
+               "drilldown" : "052",
+               "name" : "#052"
+            },
+            {
+               "drilldown" : "053",
+               "name" : "#053",
+               "y" : 101
+            },
+            {
+               "y" : 103,
+               "name" : "#054",
+               "drilldown" : "054"
+            },
+            {
+               "y" : 88,
+               "name" : "#055",
+               "drilldown" : "055"
+            },
+            {
+               "drilldown" : "056",
+               "name" : "#056",
+               "y" : 95
+            },
+            {
+               "y" : 80,
+               "name" : "#057",
+               "drilldown" : "057"
+            },
+            {
+               "drilldown" : "058",
+               "name" : "#058",
+               "y" : 69
+            },
+            {
+               "drilldown" : "059",
+               "name" : "#059",
+               "y" : 89
+            },
+            {
+               "drilldown" : "060",
+               "name" : "#060",
+               "y" : 85
+            },
+            {
+               "y" : 81,
+               "name" : "#061",
+               "drilldown" : "061"
+            },
+            {
+               "y" : 56,
+               "drilldown" : "062",
+               "name" : "#062"
+            },
+            {
+               "name" : "#063",
+               "drilldown" : "063",
+               "y" : 89
+            },
+            {
+               "y" : 80,
+               "drilldown" : "064",
+               "name" : "#064"
+            },
+            {
+               "drilldown" : "065",
+               "name" : "#065",
+               "y" : 73
+            },
+            {
+               "y" : 84,
+               "drilldown" : "066",
+               "name" : "#066"
+            },
+            {
+               "y" : 90,
+               "drilldown" : "067",
+               "name" : "#067"
+            },
+            {
+               "y" : 75,
+               "drilldown" : "068",
+               "name" : "#068"
+            },
+            {
+               "name" : "#069",
+               "drilldown" : "069",
+               "y" : 83
+            },
+            {
+               "name" : "#070",
+               "drilldown" : "070",
+               "y" : 93
+            },
+            {
+               "name" : "#071",
+               "drilldown" : "071",
+               "y" : 78
+            },
+            {
+               "drilldown" : "072",
+               "name" : "#072",
+               "y" : 112
+            },
+            {
+               "y" : 110,
+               "name" : "#073",
+               "drilldown" : "073"
+            },
+            {
+               "drilldown" : "074",
+               "name" : "#074",
+               "y" : 115
+            },
+            {
+               "drilldown" : "075",
+               "name" : "#075",
+               "y" : 113
+            },
+            {
+               "drilldown" : "076",
+               "name" : "#076",
+               "y" : 99
+            },
+            {
+               "y" : 98,
+               "name" : "#077",
+               "drilldown" : "077"
+            },
+            {
+               "y" : 127,
+               "drilldown" : "078",
+               "name" : "#078"
+            },
+            {
+               "y" : 122,
+               "drilldown" : "079",
+               "name" : "#079"
+            },
+            {
+               "y" : 127,
+               "name" : "#080",
+               "drilldown" : "080"
+            },
+            {
+               "name" : "#081",
+               "drilldown" : "081",
+               "y" : 114
+            },
+            {
+               "y" : 114,
+               "drilldown" : "082",
+               "name" : "#082"
+            },
+            {
+               "drilldown" : "083",
+               "name" : "#083",
+               "y" : 127
+            },
+            {
+               "y" : 119,
+               "drilldown" : "084",
+               "name" : "#084"
+            },
+            {
+               "drilldown" : "085",
+               "name" : "#085",
+               "y" : 114
+            },
+            {
+               "name" : "#086",
+               "drilldown" : "086",
+               "y" : 104
+            },
+            {
+               "name" : "#087",
+               "drilldown" : "087",
+               "y" : 101
+            },
+            {
+               "y" : 121,
+               "drilldown" : "088",
+               "name" : "#088"
+            },
+            {
+               "y" : 113,
+               "name" : "#089",
+               "drilldown" : "089"
+            },
+            {
+               "drilldown" : "090",
+               "name" : "#090",
+               "y" : 113
+            },
+            {
+               "y" : 108,
+               "drilldown" : "091",
+               "name" : "#091"
+            },
+            {
+               "drilldown" : "092",
+               "name" : "#092",
+               "y" : 98
+            },
+            {
+               "name" : "#093",
+               "drilldown" : "093",
+               "y" : 87
+            },
+            {
+               "drilldown" : "094",
+               "name" : "#094",
+               "y" : 87
+            },
+            {
+               "y" : 108,
+               "name" : "#095",
+               "drilldown" : "095"
+            },
+            {
+               "y" : 108,
+               "drilldown" : "096",
+               "name" : "#096"
+            },
+            {
+               "y" : 111,
+               "drilldown" : "097",
+               "name" : "#097"
+            },
+            {
+               "drilldown" : "098",
+               "name" : "#098",
+               "y" : 108
+            },
+            {
+               "y" : 97,
+               "drilldown" : "099",
+               "name" : "#099"
+            },
+            {
+               "y" : 120,
+               "drilldown" : "100",
+               "name" : "#100"
+            },
+            {
+               "name" : "#101",
+               "drilldown" : "101",
+               "y" : 77
+            },
+            {
+               "y" : 85,
+               "name" : "#102",
+               "drilldown" : "102"
+            },
+            {
+               "name" : "#103",
+               "drilldown" : "103",
+               "y" : 5
+            }
+         ]
+      }
+   ],
    "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-03-08 14:05:29 GMT"
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-03-08 14:19:57 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -21,9 +546,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "001",
-            "name" : "001"
+            ]
          },
          {
             "data" : [
@@ -40,8 +563,8 @@
                   10
                ]
             ],
-            "name" : "002",
-            "id" : "002"
+            "id" : "002",
+            "name" : "002"
          },
          {
             "data" : [
@@ -62,6 +585,8 @@
             "id" : "003"
          },
          {
+            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -75,11 +600,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004",
-            "name" : "004"
+            ]
          },
          {
+            "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -93,13 +618,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005",
-            "name" : "005"
+            ]
          },
          {
-            "id" : "006",
             "name" : "006",
+            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -134,6 +657,8 @@
             "id" : "007"
          },
          {
+            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -147,9 +672,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008",
-            "id" : "008"
+            ]
          },
          {
             "data" : [
@@ -170,6 +693,8 @@
             "id" : "009"
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -183,9 +708,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010",
-            "name" : "010"
+            ]
          },
          {
             "id" : "011",
@@ -220,12 +743,10 @@
                   11
                ]
             ],
-            "name" : "012",
-            "id" : "012"
+            "id" : "012",
+            "name" : "012"
          },
          {
-            "name" : "013",
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -239,11 +760,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "013",
+            "name" : "013"
          },
          {
-            "id" : "014",
             "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -260,6 +783,8 @@
             ]
          },
          {
+            "name" : "015",
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -273,9 +798,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "015",
-            "name" : "015"
+            ]
          },
          {
             "data" : [
@@ -292,10 +815,12 @@
                   12
                ]
             ],
-            "id" : "016",
-            "name" : "016"
+            "name" : "016",
+            "id" : "016"
          },
          {
+            "name" : "017",
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -309,13 +834,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "017",
-            "id" : "017"
+            ]
          },
          {
-            "name" : "018",
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -329,11 +850,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "018",
+            "name" : "018"
          },
          {
-            "name" : "019",
-            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -347,9 +868,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "019",
+            "name" : "019"
          },
          {
+            "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -363,9 +888,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020",
-            "id" : "020"
+            ]
          },
          {
             "id" : "021",
@@ -400,8 +923,8 @@
                   10
                ]
             ],
-            "name" : "022",
-            "id" : "022"
+            "id" : "022",
+            "name" : "022"
          },
          {
             "data" : [
@@ -418,8 +941,8 @@
                   12
                ]
             ],
-            "name" : "023",
-            "id" : "023"
+            "id" : "023",
+            "name" : "023"
          },
          {
             "data" : [
@@ -440,8 +963,8 @@
             "name" : "024"
          },
          {
-            "name" : "025",
             "id" : "025",
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -458,6 +981,8 @@
             ]
          },
          {
+            "id" : "026",
+            "name" : "026",