- Added solutions by Luca Ferrari.

13 files changed, 891 insertions, 872 deletions

diff --git a/challenge-063/luca-ferrari/blog-1.txt b/challenge-063/luca-ferrari/blog1.txt
index fea9d92892..fea9d92892 100644
--- a/challenge-063/luca-ferrari/blog-1.txt
+++ b/challenge-063/luca-ferrari/blog1.txt
diff --git a/challenge-063/luca-ferrari/blog-2.txt b/challenge-063/luca-ferrari/blog2.txt
index 99bc798d26..99bc798d26 100644
--- a/challenge-063/luca-ferrari/blog-2.txt
+++ b/challenge-063/luca-ferrari/blog2.txt
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 7616aac6ce..468862ebbf 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,8 +1,28 @@
 {
+   "subtitle" : {
+      "text" : "[Champions: 7] Last updated at 2020-06-01 16:27:09 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 063"
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Javier Luque",
+            "id" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -17,27 +37,41 @@
                   1
                ]
             ],
-            "id" : "Javier Luque"
+            "name" : "Javier Luque"
+         },
+         {
+            "name" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Luca Ferrari"
          },
          {
             "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Niels van Dijke"
          },
          {
-            "name" : "Pete Houston",
             "id" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Pete Houston"
          },
          {
             "name" : "Roger Bell_West",
@@ -54,14 +88,14 @@
             "id" : "Roger Bell_West"
          },
          {
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            "id" : "Simon Proctor"
          },
          {
             "id" : "Wanderdoc",
@@ -75,11 +109,9 @@
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
-   },
    "series" : [
       {
+         "name" : "Perl Weekly Challenge - 063",
          "data" : [
             {
                "name" : "Javier Luque",
@@ -87,14 +119,19 @@
                "drilldown" : "Javier Luque"
             },
             {
-               "name" : "Niels van Dijke",
+               "name" : "Luca Ferrari",
+               "y" : 4,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "drilldown" : "Niels van Dijke",
                "y" : 2,
-               "drilldown" : "Niels van Dijke"
+               "name" : "Niels van Dijke"
             },
             {
-               "drilldown" : "Pete Houston",
+               "name" : "Pete Houston",
                "y" : 1,
-               "name" : "Pete Houston"
+               "drilldown" : "Pete Houston"
             },
             {
                "drilldown" : "Roger Bell_West",
@@ -102,17 +139,16 @@
                "y" : 4
             },
             {
-               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor",
                "y" : 2,
-               "name" : "Simon Proctor"
+               "drilldown" : "Simon Proctor"
             },
             {
+               "drilldown" : "Wanderdoc",
                "y" : 2,
-               "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc"
+               "name" : "Wanderdoc"
             }
          ],
-         "name" : "Perl Weekly Challenge - 063",
          "colorByPoint" : 1
       }
    ],
@@ -127,24 +163,7 @@
    "legend" : {
       "enabled" : 0
    },
-   "tooltip" : {
-      "followPointer" : 1,
-      "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/>"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 063"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 6] Last updated at 2020-06-01 16:22:48 GMT"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index bbbc372706..51f9a95be5 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,26 +1,46 @@
 {
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
+   },
    "chart" : {
       "type" : "column"
    },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
    "series" : [
       {
-         "name" : "Contributions",
          "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "enabled" : "true",
             "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
             },
-            "enabled" : "true",
-            "align" : "right",
             "y" : 10,
-            "rotation" : -90
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "align" : "right"
          },
          "data" : [
             [
                "Blog",
-               716
+               718
             ],
             [
                "Perl",
@@ -28,36 +48,16 @@
             ],
             [
                "Raku",
-               1647
+               1649
             ]
-         ]
+         ],
+         "name" : "Contributions"
       }
    ],
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-06-01 16:22:48 GMT"
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-06-01 16:27:09 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index c729576a6d..8a1f06fee0 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,7 +1,4 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
@@ -10,29 +7,46 @@
    "xAxis" : {
       "type" : "category"
    },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
    "series" : [
       {
          "name" : "Perl Weekly Challenge Languages",
-         "colorByPoint" : "true",
          "data" : [
             {
+               "drilldown" : "001",
                "name" : "#001",
-               "y" : 142,
-               "drilldown" : "001"
+               "y" : 142
             },
             {
-               "name" : "#002",
                "y" : 109,
+               "name" : "#002",
                "drilldown" : "002"
             },
             {
-               "y" : 71,
                "name" : "#003",
+               "y" : 71,
                "drilldown" : "003"
             },
             {
-               "name" : "#004",
                "y" : 91,
+               "name" : "#004",
                "drilldown" : "004"
             },
             {
@@ -41,14 +55,14 @@
                "name" : "#005"
             },
             {
-               "y" : 52,
                "name" : "#006",
+               "y" : 52,
                "drilldown" : "006"
             },
             {
+               "drilldown" : "007",
                "y" : 59,
-               "name" : "#007",
-               "drilldown" : "007"
+               "name" : "#007"
             },
             {
                "name" : "#008",
@@ -56,29 +70,29 @@
                "drilldown" : "008"
             },
             {
-               "drilldown" : "009",
+               "name" : "#009",
                "y" : 68,
-               "name" : "#009"
+               "drilldown" : "009"
             },
             {
-               "name" : "#010",
+               "drilldown" : "010",
                "y" : 60,
-               "drilldown" : "010"
+               "name" : "#010"
             },
             {
-               "drilldown" : "011",
+               "y" : 79,
                "name" : "#011",
-               "y" : 79
+               "drilldown" : "011"
             },
             {
-               "y" : 83,
+               "drilldown" : "012",
                "name" : "#012",
-               "drilldown" : "012"
+               "y" : 83
             },
             {
-               "drilldown" : "013",
                "y" : 76,
-               "name" : "#013"
+               "name" : "#013",
+               "drilldown" : "013"
             },
             {
                "y" : 96,
@@ -86,49 +100,49 @@
                "drilldown" : "014"
             },
             {
-               "drilldown" : "015",
                "name" : "#015",
-               "y" : 93
+               "y" : 93,
+               "drilldown" : "015"
             },
             {
+               "drilldown" : "016",
                "name" : "#016",
-               "y" : 66,
-               "drilldown" : "016"
+               "y" : 66
             },
             {
-               "drilldown" : "017",
+               "name" : "#017",
                "y" : 79,
-               "name" : "#017"
+               "drilldown" : "017"
             },
             {
-               "y" : 76,
+               "drilldown" : "018",
                "name" : "#018",
-               "drilldown" : "018"
+               "y" : 76
             },
             {
+               "drilldown" : "019",
                "name" : "#019",
-               "y" : 97,
-               "drilldown" : "019"
+               "y" : 97
             },
             {
                "drilldown" : "020",
-               "y" : 95,
-               "name" : "#020"
+               "name" : "#020",
+               "y" : 95
             },
             {
-               "y" : 67,
                "name" : "#021",
+               "y" : 67,
                "drilldown" : "021"
             },
             {
-               "name" : "#022",
                "y" : 63,
+               "name" : "#022",
                "drilldown" : "022"
             },
             {
+               "drilldown" : "023",
                "name" : "#023",
-               "y" : 91,
-               "drilldown" : "023"
+               "y" : 91
             },
             {
                "y" : 70,
@@ -137,8 +151,8 @@
             },
             {
                "drilldown" : "025",
-               "y" : 55,
-               "name" : "#025"
+               "name" : "#025",
+               "y" : 55
             },
             {
                "name" : "#026",
@@ -146,14 +160,14 @@
                "drilldown" : "026"
             },
             {
-               "drilldown" : "027",
+               "y" : 58,
                "name" : "#027",
-               "y" : 58
+               "drilldown" : "027"
             },
             {
-               "y" : 78,
+               "drilldown" : "028",
                "name" : "#028",
-               "drilldown" : "028"
+               "y" : 78
             },
             {
                "name" : "#029",
@@ -161,19 +175,19 @@
                "drilldown" : "029"
             },
             {
-               "name" : "#030",
                "y" : 115,
+               "name" : "#030",
                "drilldown" : "030"
             },
             {
-               "drilldown" : "031",
                "name" : "#031",
-               "y" : 87
+               "y" : 87,
+               "drilldown" : "031"
             },
             {
-               "y" : 92,
+               "drilldown" : "032",
                "name" : "#032",
-               "drilldown" : "032"
+               "y" : 92
             },
             {
                "drilldown" : "033",
@@ -181,29 +195,29 @@
                "name" : "#033"
             },
             {
-               "drilldown" : "034",
                "name" : "#034",
-               "y" : 62
+               "y" : 62,
+               "drilldown" : "034"
             },
             {
-               "name" : "#035",
                "y" : 62,
+               "name" : "#035",
                "drilldown" : "035"
             },
             {
-               "name" : "#036",
+               "drilldown" : "036",
                "y" : 66,
-               "drilldown" : "036"
+               "name" : "#036"
             },
             {
-               "y" : 65,
+               "drilldown" : "037",
                "name" : "#037",
-               "drilldown" : "037"
+               "y" : 65
             },
             {
-               "y" : 65,
+               "drilldown" : "038",
                "name" : "#038",
-               "drilldown" : "038"
+               "y" : 65
             },
             {
                "name" : "#039",
@@ -212,8 +226,8 @@
             },
             {
                "drilldown" : "040",
-               "name" : "#040",
-               "y" : 71
+               "y" : 71,
+               "name" : "#040"
             },
             {
                "drilldown" : "041",
@@ -221,9 +235,9 @@
                "name" : "#041"
             },
             {
+               "drilldown" : "042",
                "y" : 88,
-               "name" : "#042",
-               "drilldown" : "042"
+               "name" : "#042"
             },
             {
                "drilldown" : "043",
@@ -231,33 +245,33 @@
                "y" : 66
             },
             {
-               "name" : "#044",
                "y" : 82,
+               "name" : "#044",
                "drilldown" : "044"
             },
             {
-               "name" : "#045",
                "y" : 94,
+               "name" : "#045",
                "drilldown" : "045"
             },
             {
                "drilldown" : "046",
-               "name" : "#046",
-               "y" : 85
+               "y" : 85,
+               "name" : "#046"
             },
             {
+               "drilldown" : "047",
                "y" : 82,
-               "name" : "#047",
-               "drilldown" : "047"
+               "name" : "#047"
             },
             {
+               "drilldown" : "048",
                "y" : 106,
-               "name" : "#048",
-               "drilldown" : "048"
+               "name" : "#048"
             },
             {
-               "name" : "#049",
                "y" : 85,
+               "name" : "#049",
                "drilldown" : "049"
             },
             {
@@ -266,29 +280,29 @@
                "name" : "#050"
             },
             {
-               "y" : 87,
+               "drilldown" : "051",
                "name" : "#051",
-               "drilldown" : "051"
+               "y" : 87
             },
             {
-               "y" : 89,
                "name" : "#052",
+               "y" : 89,
                "drilldown" : "052"
             },
             {
+               "drilldown" : "053",
                "y" : 99,
-               "name" : "#053",
-               "drilldown" : "053"
+               "name" : "#053"
             },
             {
+               "drilldown" : "054",
                "name" : "#054",
-               "y" : 99,
-               "drilldown" : "054"
+               "y" : 99
             },
             {
-               "drilldown" : "055",
+               "name" : "#055",
                "y" : 86,
-               "name" : "#055"
+               "drilldown" : "055"
             },
             {
                "name" : "#056",
@@ -296,14 +310,14 @@
                "drilldown" : "056"
             },
             {
-               "name" : "#057",
                "y" : 78,
+               "name" : "#057",
                "drilldown" : "057"
             },
             {
-               "drilldown" : "058",
+               "name" : "#058",
                "y" : 61,
-               "name" : "#058"
+               "drilldown" : "058"
             },
             {
                "drilldown" : "059",
@@ -316,30 +330,29 @@
                "y" : 78
             },
             {
-               "drilldown" : "061",
                "name" : "#061",
-               "y" : 78
+               "y" : 78,
+               "drilldown" : "061"
             },
             {
-               "name" : "#062",
+               "drilldown" : "062",
                "y" : 50,
-               "drilldown" : "062"
+               "name" : "#062"
             },
             {
-               "name" : "#063",
-               "y" : 16,
-               "drilldown" : "063"
+               "drilldown" : "063",
+               "y" : 20,
+               "name" : "#063"
             }
-         ]
+         ],
+         "colorByPoint" : "true"
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
    "drilldown" : {
       "series" : [
          {
             "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -353,11 +366,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "001"
+            ]
          },
          {
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -372,10 +383,10 @@
                   10
                ]
             ],
+            "name" : "002",
             "id" : "002"
          },
          {
-            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -390,7 +401,8 @@
                   9
                ]
             ],
-            "name" : "003"
+            "name" : "003",
+            "id" : "003"
          },
          {
             "data" : [
@@ -407,8 +419,8 @@
                   10
                ]
             ],
-            "id" : "004",
-            "name" : "004"
+            "name" : "004",
+            "id" : "004"
          },
          {
             "data" : [
@@ -425,11 +437,10 @@
                   12
                ]
             ],
-            "id" : "005",
-            "name" : "005"
+            "name" : "005",
+            "id" : "005"
          },
          {
-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -444,9 +455,11 @@
                   7
                ]
             ],
+            "name" : "006",
             "id" : "006"
          },
          {
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -461,12 +474,9 @@
                   10
                ]
             ],
-            "id" : "007",
             "name" : "007"
          },
          {
-            "name" : "008",
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -480,9 +490,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008",
+            "id" : "008"
          },
          {
+            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -496,13 +510,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "009",
-            "name" : "009"
+            ]
          },
          {
-            "name" : "010",
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -516,10 +526,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "010",
+            "id" : "010"
          },
          {
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -534,10 +545,11 @@
                   10
                ]
             ],
+            "name" : "011",
             "id" : "011"
          },
          {
-            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -552,9 +564,10 @@
                   11
                ]
             ],
-            "name" : "012"
+            "id" : "012"
          },
          {
+            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -569,11 +582,9 @@
                   13
                ]
             ],
-            "id" : "013",
             "name" : "013"
          },
          {
-            "name" : "014",
             "id" : "014",
             "data" : [
                [
@@ -588,11 +599,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "014"
          },
          {
-            "name" : "015",
             "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -623,8 +635,8 @@
                   12
                ]
             ],
-            "id" : "016",
-            "name" : "016"
+            "name" : "016",
+            "id" : "016"
          },
          {
             "data" : [
@@ -641,10 +653,11 @@
                   12
                ]
             ],
-            "id" : "017",
-            "name" : "017"
+            "name" : "017",
+            "id" : "017"
          },
          {
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -659,7 +672,6 @@
                   14
                ]
             ],
-            "id" : "018",
             "name" : "018"
          },
          {
@@ -677,11 +689,11 @@
                   13
                ]
             ],
-            "id" : "019",
-            "name" : "019"
+            "name" : "019",
+            "id" : "019"
          },
          {
-            "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -696,10 +708,11 @@
                   13
                ]
             ],
-            "id" : "020"
+            "name" : "020"
          },
          {
             "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -713,8 +726,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021"
+            ]
          },
          {
             "id" : "022",
@@ -736,6 +748,7 @@
          },
          {
             "id" : "023",
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -749,11 +762,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "023"
+            ]
          },
          {
-            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -768,10 +779,12 @@
                   11
                ]
             ],
+            "name" : "024",
             "id" : "024"
          },
          {
             "id" : "025",
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -785,11 +798,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "025"
+            ]
          },
          {
-            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -804,10 +815,10 @@
                   10
                ]
             ],
-            "name" : "026"
+            "name" : "026",
+            "id" : "026"
          },
          {
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -822,10 +833,10 @@
                   9
                ]
             ],
-            "name" : "027"
+            "name" : "027",
+            "id" : "027"
          },
          {
-            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -840,10 +851,10 @@
                   9
                ]
             ],
+            "name" : "028",
             "id" : "028"
          },
          {
-            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -858,11 +869,10 @@
                   12
                ]
             ],
+            "name" : "029",
             "id" : "029"
          },
          {
-            "name" : "030",
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -876,11 +886,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "030",
+            "id" : "030"
          },
          {
-            "name" : "031",
             "id" : "031",
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -915,7 +927,7 @@
             "name" : "032"
          },
          {
-            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -930,11 +942,9 @@
                   10
                ]
             ],
-            "id" : "033"