- Added solutions by Luca Ferrari.

13 files changed, 1024 insertions, 1005 deletions

diff --git a/challenge-053/luca-ferrari/blog-1.txt b/challenge-053/luca-ferrari/blog1.txt
index cae994db98..cae994db98 100644
--- a/challenge-053/luca-ferrari/blog-1.txt
+++ b/challenge-053/luca-ferrari/blog1.txt
diff --git a/challenge-053/luca-ferrari/blog-2.txt b/challenge-053/luca-ferrari/blog2.txt
index 72e20fe93f..72e20fe93f 100644
--- a/challenge-053/luca-ferrari/blog-2.txt
+++ b/challenge-053/luca-ferrari/blog2.txt
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 9f9313f22d..3719d31c73 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,70 +1,30 @@
 {
-   "subtitle" : {
-      "text" : "[Champions: 5] Last updated at 2020-03-23 12:08:07 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 053"
-   },
    "plotOptions" : {
       "series" : {
+         "borderWidth" : 0,
          "dataLabels" : {
             "format" : "{point.y}",
             "enabled" : 1
-         },
-         "borderWidth" : 0
+         }
       }
    },
-   "series" : [
-      {
-         "data" : [
-            {
-               "name" : "Javier Luque",
-               "drilldown" : "Javier Luque",
-               "y" : 5
-            },
-            {
-               "name" : "Roger Bell West",
-               "drilldown" : "Roger Bell West",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "y" : 2,
-               "name" : "Simon Proctor"
-            },
-            {
-               "name" : "Wanderdoc",
-               "y" : 2,
-               "drilldown" : "Wanderdoc"
-            },
-            {
-               "name" : "Yet Ebreo",
-               "y" : 2,
-               "drilldown" : "Yet Ebreo"
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 053",
-         "colorByPoint" : 1
-      }
-   ],
    "xAxis" : {
       "type" : "category"
    },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "subtitle" : {
+      "text" : "[Champions: 6] Last updated at 2020-03-23 12:51:30 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -79,10 +39,26 @@
                   1
                ]
             ],
-            "id" : "Javier Luque"
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
+         },
+         {
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
          },
          {
             "id" : "Roger Bell West",
+            "name" : "Roger Bell West",
             "data" : [
                [
                   "Perl",
@@ -92,8 +68,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Roger Bell West"
+            ]
          },
          {
             "id" : "Simon Proctor",
@@ -106,30 +81,74 @@
             ]
          },
          {
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc"
          },
          {
-            "id" : "Yet Ebreo",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Yet Ebreo"
+            "name" : "Yet Ebreo",
+            "id" : "Yet Ebreo"
          }
       ]
    },
    "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/>"
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1
+   },
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge - 053",
+         "data" : [
+            {
+               "y" : 5,
+               "name" : "Javier Luque",
+               "drilldown" : "Javier Luque"
+            },
+            {
+               "y" : 4,
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "drilldown" : "Roger Bell West",
+               "name" : "Roger Bell West",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Wanderdoc",
+               "drilldown" : "Wanderdoc"
+            },
+            {
+               "name" : "Yet Ebreo",
+               "drilldown" : "Yet Ebreo",
+               "y" : 2
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
+   "title" : {
+      "text" : "Perl Weekly Challenge - 053"
+   },
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 90dd06e367..bf2995fd90 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,10 +1,38 @@
 {
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-03-23 12:51:30 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
    "series" : [
       {
+         "dataLabels" : {
+            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "color" : "#FFFFFF",
+            "enabled" : "true",
+            "align" : "right",
+            "y" : 10,
+            "rotation" : -90
+         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               566
+               568
             ],
             [
                "Perl",
@@ -12,24 +40,17 @@
             ],
             [
                "Raku",
-               1355
+               1357
             ]
-         ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "y" : 10,
-            "align" : "right",
-            "rotation" : -90,
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "enabled" : "true"
-         }
+         ]
       }
    ],
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
    "xAxis" : {
       "labels" : {
          "style" : {
@@ -38,26 +59,5 @@
          }
       },
       "type" : "category"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-03-23 12:08:07 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 5e11585ea2..082299c0ff 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,39 +1,27 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-03-23 12:08:07 GMT"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
+   "tooltip" : {
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
    },
    "series" : [
       {
-         "name" : "Perl Weekly Challenge Languages",
+         "colorByPoint" : "true",
          "data" : [
             {
-               "drilldown" : "001",
                "y" : 140,
-               "name" : "#001"
+               "name" : "#001",
+               "drilldown" : "001"
             },
             {
-               "drilldown" : "002",
                "y" : 109,
+               "drilldown" : "002",
                "name" : "#002"
             },
             {
                "name" : "#003",
-               "y" : 71,
-               "drilldown" : "003"
+               "drilldown" : "003",
+               "y" : 71
             },
             {
                "name" : "#004",
@@ -41,18 +29,18 @@
                "y" : 91
             },
             {
-               "y" : 71,
                "drilldown" : "005",
-               "name" : "#005"
+               "name" : "#005",
+               "y" : 71
             },
             {
                "y" : 52,
-               "drilldown" : "006",
-               "name" : "#006"
+               "name" : "#006",
+               "drilldown" : "006"
             },
             {
-               "drilldown" : "007",
                "y" : 58,
+               "drilldown" : "007",
                "name" : "#007"
             },
             {
@@ -62,73 +50,73 @@
             },
             {
                "y" : 68,
-               "drilldown" : "009",
-               "name" : "#009"
+               "name" : "#009",
+               "drilldown" : "009"
             },
             {
+               "name" : "#010",
                "drilldown" : "010",
-               "y" : 60,
-               "name" : "#010"
+               "y" : 60
             },
             {
+               "y" : 79,
                "name" : "#011",
-               "drilldown" : "011",
-               "y" : 79
+               "drilldown" : "011"
             },
             {
-               "drilldown" : "012",
                "y" : 83,
-               "name" : "#012"
+               "name" : "#012",
+               "drilldown" : "012"
             },
             {
-               "drilldown" : "013",
                "y" : 76,
-               "name" : "#013"
+               "name" : "#013",
+               "drilldown" : "013"
             },
             {
                "y" : 96,
-               "drilldown" : "014",
-               "name" : "#014"
+               "name" : "#014",
+               "drilldown" : "014"
             },
             {
-               "name" : "#015",
                "y" : 93,
-               "drilldown" : "015"
+               "drilldown" : "015",
+               "name" : "#015"
             },
             {
+               "y" : 66,
                "name" : "#016",
-               "drilldown" : "016",
-               "y" : 66
+               "drilldown" : "016"
             },
             {
-               "name" : "#017",
                "drilldown" : "017",
+               "name" : "#017",
                "y" : 79
             },
             {
-               "name" : "#018",
                "drilldown" : "018",
+               "name" : "#018",
                "y" : 76
             },
             {
-               "name" : "#019",
                "drilldown" : "019",
+               "name" : "#019",
                "y" : 97
             },
             {
+               "name" : "#020",
                "drilldown" : "020",
-               "y" : 95,
-               "name" : "#020"
+               "y" : 95
             },
             {
-               "y" : 67,
+               "name" : "#021",
                "drilldown" : "021",
-               "name" : "#021"
+               "y" : 67
             },
             {
+               "drilldown" : "022",
                "name" : "#022",
-               "y" : 63,
-               "drilldown" : "022"
+               "y" : 63
             },
             {
                "name" : "#023",
@@ -136,180 +124,179 @@
                "y" : 91
             },
             {
-               "drilldown" : "024",
                "y" : 70,
+               "drilldown" : "024",
                "name" : "#024"
             },
             {
-               "name" : "#025",
                "y" : 55,
-               "drilldown" : "025"
+               "drilldown" : "025",
+               "name" : "#025"
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-               "name" : "#026",
                "drilldown" : "026",
+               "name" : "#026",
                "y" : 70
             },
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-               "y" : 58,
                "drilldown" : "027",
-               "name" : "#027"
+               "name" : "#027",
+               "y" : 58
             },
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                "name" : "#028",
-               "drilldown" : "028",
-               "y" : 78
+               "drilldown" : "028"
             },
             {
-               "drilldown" : "029",
                "y" : 77,
-               "name" : "#029"
+               "name" : "#029",
+               "drilldown" : "029"
             },
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-               "y" : 115,
+               "name" : "#030",
                "drilldown" : "030",
-               "name" : "#030"
+               "y" : 115
             },
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                "name" : "#031",
-               "y" : 87,
-               "drilldown" : "031"
+               "drilldown" : "031",
+               "y" : 87
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                "name" : "#032",
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-               "drilldown" : "032"
+               "y" : 92
             },
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                "drilldown" : "033",
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-               "name" : "#033"
+               "name" : "#033",
+               "y" : 108
             },
             {
                "name" : "#034",
-               "y" : 62,
-               "drilldown" : "034"
+               "drilldown" : "034",
+               "y" : 62
             },
             {
                "y" : 62,
-               "drilldown" : "035",
-               "name" : "#035"
+               "name" : "#035",
+               "drilldown" : "035"
             },
             {
                "y" : 63,
-               "drilldown" : "036",
-               "name" : "#036"
+               "name" : "#036",
+               "drilldown" : "036"
             },
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-               "name" : "#037",
                "drilldown" : "037",
+               "name" : "#037",
                "y" : 63
             },
             {
                "name" : "#038",
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-               "drilldown" : "038"
+               "drilldown" : "038",
+               "y" : 65
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-               "name" : "#039",
                "drilldown" : "039",
+               "name" : "#039",
                "y" : 60
             },
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-               "name" : "#040",
                "drilldown" : "040",
+               "name" : "#040",
                "y" : 66
             },
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-               "drilldown" : "041"
+               "drilldown" : "041",
+               "name" : "#041"
             },
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                "y" : 88,
-               "name" : "#042"
+               "name" : "#042",
+               "drilldown" : "042"
             },
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                "name" : "#043",
-               "drilldown" : "043",
-               "y" : 65
+               "drilldown" : "043"
             },
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-               "drilldown" : "044",
                "y" : 81,
+               "drilldown" : "044",
                "name" : "#044"
             },
             {
                "name" : "#045",
-               "y" : 94,
-               "drilldown" : "045"
+               "drilldown" : "045",
+               "y" : 94
             },
             {
-               "drilldown" : "046",
                "y" : 83,
+               "drilldown" : "046",
                "name" : "#046"
             },
             {
                "y" : 81,
-               "drilldown" : "047",
-               "name" : "#047"
+               "name" : "#047",
+               "drilldown" : "047"
             },
             {
-               "y" : 106,
                "drilldown" : "048",
-               "name" : "#048"
+               "name" : "#048",
+               "y" : 106
             },
             {
                "y" : 85,
-               "drilldown" : "049",
-               "name" : "#049"
+               "name" : "#049",
+               "drilldown" : "049"
             },
             {
                "drilldown" : "050",
-               "y" : 95,
-               "name" : "#050"
+               "name" : "#050",
+               "y" : 95
             },
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+               "drilldown" : "051",
                "name" : "#051",
-               "y" : 86,
-               "drilldown" : "051"
+               "y" : 86
             },
             {
-               "y" : 82,
                "drilldown" : "052",
-               "name" : "#052"
+               "name" : "#052",
+               "y" : 82
             },
             {
+               "y" : 19,
                "drilldown" : "053",
-               "y" : 15,
                "name" : "#053"
             }
          ],
-         "colorByPoint" : "true"
+         "name" : "Perl Weekly Challenge Languages"
       }
    ],
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
    },
-   "tooltip" : {
-      "followPointer" : "true",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-03-23 12:51:30 GMT"
    },
-   "xAxis" : {
-      "type" : "category"
+   "legend" : {
+      "enabled" : "false"
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -324,7 +311,8 @@
                   11
                ]
             ],
-            "id" : "001"
+            "id" : "001",
+            "name" : "001"
          },
          {
             "id" : "002",
@@ -377,11 +365,10 @@
                   10
                ]
             ],
-            "name" : "004",
-            "id" : "004"
+            "id" : "004",
+            "name" : "004"
          },
          {
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -396,9 +383,12 @@
                   12
                ]
             ],
-            "name" : "005"
+            "name" : "005",
+            "id" : "005"
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -412,12 +402,9 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006",
-            "id" : "006"
+            ]
          },
          {
-            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -432,9 +419,11 @@
                   10
                ]
             ],
+            "id" : "007",
             "name" : "007"
          },
          {
+            "id" : "008",
             "name" : "008",
             "data" : [
                [
@@ -449,10 +438,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "008"
+            ]
          },
          {
+            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -466,11 +456,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009",
-            "id" : "009"
+            ]
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -484,12 +474,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010",
-            "id" : "010"
+            ]
          },
          {
-            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -504,9 +491,12 @@
                   10
                ]
             ],
+            "id" : "011",
             "name" : "011"
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -520,9 +510,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012",
-            "id" : "012"
+            ]
          },
          {
             "data" : [
@@ -543,6 +531,8 @@
             "id" : "013"
          },
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+            "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -556,11 +546,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "014",
-            "id" : "014"
+            ]
          },
          {
+            "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -574,11 +564,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "015",
-            "id" : "015"
+            ]
          },
          {
+            "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -592,12 +582,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016",
-            "id" : "016"
+            ]
          },
          {
-            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -612,7 +599,8 @@
                   12
                ]
             ],
-            "id" : "017"
+            "id" : "017",
+            "name" : "017"
          },
          {
             "id" : "018",
@@ -633,7 +621,6 @@
             ]
          },
          {
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -648,10 +635,12 @@
                   13
                ]
             ],
+            "name" : "019",
             "id" : "019"
          },
          {
             "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -665,10 +654,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020"
+            ]
          },
          {
+            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -683,11 +672,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021"
+            ]
          },
          {
             "name" : "022",
+            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -701,8 +690,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "022"
+            ]
          },
          {
             "id" : "023",
@@ -723,6 +711,8 @@
             ]
          },
          {
+            "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -736,11 +726,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "024",
-            "id" : "024"
+            ]
          },
          {
+            "name" : "025",
             "id" : "025",
             "data" : [
                [
@@ -755,8 +744,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "025"
+            ]
          },
          {
             "id" : "026",
@@ -777,7 +765,6 @@
             ]
          },
          {
-            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -792,7 +779,8 @@
                   9
                ]
             ],
-            "id" : "027"
+            "id" : "027",
+            "name" : "027"
          },
          {
             "data" : [
@@ -813,7 +801,6 @@
             "id" : "028"
          },
          {
-            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -828,9 +815,11 @@
                   12
                ]
             ],
-            "id" : "029"
+            "id" : "029",
+            "name" : "029"
          },
          {
+            "name" : "030",
             "id" : "030",
             "data" : [
                [
@@ -845,10 +834,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "030"
+            ]
          },
          {
+            "id" : "031",
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -862,11 +852,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "031",
-            "id" : "031"
+            ]
          },
          {
+            "name" : "032",
             "id" : "032",
             "data" : [
                [
@@ -881,11 +870,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "032"
+            ]
          },
          {
             "id" : "033",
+            "name" : "033",
             "data" : [
                [
                   "Perl",
@@ -899,11 +888,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "033"
+            ]
          },
          {
-            "id" : "034",