- Added solution by Cristina Heredia.

16 files changed, 1051 insertions, 1036 deletions

diff --git a/challenge-139/cristian-heredia/perl/ch_1.pl b/challenge-139/cristian-heredia/perl/ch-1.pl
index 1dc552d481..1dc552d481 100755
--- a/challenge-139/cristian-heredia/perl/ch_1.pl
+++ b/challenge-139/cristian-heredia/perl/ch-1.pl
diff --git a/challenge-139/cristian-heredia/python/ch_1.py b/challenge-139/cristian-heredia/python/ch-1.py
index dda860e901..dda860e901 100755
--- a/challenge-139/cristian-heredia/python/ch_1.py
+++ b/challenge-139/cristian-heredia/python/ch-1.py
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 8fd7e22ae6..9e4dbb30ed 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -2,27 +2,36 @@
    "drilldown" : {
       "series" : [
          {
-            "name" : "Andrew Shitov",
-            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
          },
          {
             "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Cheok-Yin Fung"
+            ]
+         },
+         {
+            "name" : "Cristina Heredia",
+            "id" : "Cristina Heredia",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ]
          },
          {
-            "name" : "Dave Jacoby",
             "id" : "Dave Jacoby",
             "data" : [
                [
@@ -33,17 +42,18 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Dave Jacoby"
          },
          {
-            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "E. Choroba"
+            "id" : "E. Choroba"
          },
          {
             "name" : "James Smith",
@@ -60,46 +70,48 @@
             ]
          },
          {
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "id" : "Mark Anderson",
             "name" : "Mark Anderson"
          },
          {
-            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Niels van Dijke"
          },
          {
+            "name" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Olivier Delouya",
-            "name" : "Olivier Delouya"
+            "id" : "Olivier Delouya"
          },
          {
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith"
+            ]
          },
          {
+            "name" : "Ulrich Rieke",
+            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -109,26 +121,51 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
+            ]
          }
       ]
    },
+   "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/>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 139"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 11] Last updated at 2021-11-16 20:10:31 GMT"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
    "series" : [
       {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 139",
          "data" : [
             {
                "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov",
-               "y" : 1
+               "y" : 1,
+               "drilldown" : "Andrew Shitov"
             },
             {
                "name" : "Cheok-Yin Fung",
@@ -136,29 +173,34 @@
                "y" : 2
             },
             {
+               "name" : "Cristina Heredia",
+               "y" : 1,
+               "drilldown" : "Cristina Heredia"
+            },
+            {
                "name" : "Dave Jacoby",
-               "y" : 3,
-               "drilldown" : "Dave Jacoby"
+               "drilldown" : "Dave Jacoby",
+               "y" : 3
             },
             {
-               "name" : "E. Choroba",
                "drilldown" : "E. Choroba",
-               "y" : 2
+               "y" : 2,
+               "name" : "E. Choroba"
             },
             {
-               "y" : 3,
+               "name" : "James Smith",
                "drilldown" : "James Smith",
-               "name" : "James Smith"
+               "y" : 3
             },
             {
-               "name" : "Mark Anderson",
                "drilldown" : "Mark Anderson",
-               "y" : 2
+               "y" : 2,
+               "name" : "Mark Anderson"
             },
             {
-               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke",
                "y" : 1,
-               "drilldown" : "Niels van Dijke"
+               "name" : "Niels van Dijke"
             },
             {
                "y" : 1,
@@ -171,40 +213,13 @@
                "name" : "Peter Campbell Smith"
             },
             {
-               "y" : 4,
+               "name" : "Ulrich Rieke",
                "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
+               "y" : 4
             }
-         ]
-      }
-   ],
-   "subtitle" : {
-      "text" : "[Champions: 10] Last updated at 2021-11-16 20:02:37 GMT"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
+         ],
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 139"
       }
-   },
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 139"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "xAxis" : {
-      "type" : "category"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 50b88c3134..1c7b7dc5a7 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,4 +1,25 @@
 {
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-11-16 20:10:31 GMT"
+   },
    "series" : [
       {
          "data" : [
@@ -8,56 +29,35 @@
             ],
             [
                "Perl",
-               6657
+               6658
             ],
             [
                "Raku",
                4025
             ]
          ],
-         "name" : "Contributions",
          "dataLabels" : {
+            "rotation" : -90,
+            "enabled" : "true",
             "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "y" : 10,
+            "align" : "right",
             "style" : {
                "fontSize" : "13px",
                "fontFamily" : "Verdana, sans-serif"
             },
-            "rotation" : -90,
-            "enabled" : "true",
-            "align" : "right"
-         }
+            "y" : 10,
+            "color" : "#FFFFFF"
+         },
+         "name" : "Contributions"
       }
    ],
-   "subtitle" : {
-      "text" : "Last updated at 2021-11-16 20:02:37 GMT"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "xAxis" : {
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       },
       "type" : "category"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index e272e01b80..36deda6bac 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,12 +1,30 @@
 {
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "chart" : {
+      "type" : "column"
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -21,11 +39,9 @@
                   11
                ]
             ],
-            "id" : "001",
-            "name" : "001"
+            "id" : "001"
          },
          {
-            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -40,11 +56,11 @@
                   10
                ]
             ],
+            "id" : "002",
             "name" : "002"
          },
          {
             "name" : "003",
-            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -58,10 +74,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "003"
          },
          {
-            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -76,10 +93,9 @@
                   10
                ]
             ],
-            "name" : "004"
+            "id" : "004"
          },
          {
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -94,9 +110,11 @@
                   12
                ]
             ],
-            "id" : "005"
+            "id" : "005",
+            "name" : "005"
          },
          {
+            "name" : "006",
             "id" : "006",
             "data" : [
                [
@@ -111,11 +129,10 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006"
+            ]
          },
          {
-            "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -130,11 +147,9 @@
                   10
                ]
             ],
-            "id" : "007"
+            "name" : "007"
          },
          {
-            "name" : "008",
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -148,10 +163,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "008",
+            "name" : "008"
          },
          {
-            "name" : "009",
             "id" : "009",
             "data" : [
                [
@@ -166,11 +182,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009"
          },
          {
             "name" : "010",
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -184,10 +200,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010"
          },
          {
             "name" : "011",
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -201,11 +219,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "011"
+            ]
          },
          {
-            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -220,10 +236,11 @@
                   11
                ]
             ],
-            "id" : "012"
+            "id" : "012",
+            "name" : "012"
          },
          {
-            "name" : "013",
+            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -238,11 +255,10 @@
                   13
                ]
             ],
-            "id" : "013"
+            "name" : "013"
          },
          {
             "name" : "014",
-            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -256,10 +272,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "014"
          },
          {
-            "name" : "015",
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -274,10 +291,9 @@
                   15
                ]
             ],
-            "id" : "015"
+            "name" : "015"
          },
          {
-            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -292,10 +308,10 @@
                   12
                ]
             ],
-            "id" : "016"
+            "id" : "016",
+            "name" : "016"
          },
          {
-            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -310,6 +326,7 @@
                   12
                ]
             ],
+            "id" : "017",
             "name" : "017"
          },
          {
@@ -332,6 +349,7 @@
          },
          {
             "name" : "019",
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -345,8 +363,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "019"
+            ]
          },
          {
             "id" : "020",
@@ -385,7 +402,7 @@
             "name" : "021"
          },
          {
-            "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -400,11 +417,9 @@
                   10
                ]
             ],
-            "name" : "022"
+            "id" : "022"
          },
          {
-            "name" : "023",
-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -418,9 +433,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "023",
+            "name" : "023"
          },
          {
+            "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -434,12 +453,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "024",
-            "name" : "024"
+            ]
          },
          {
             "name" : "025",
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -453,8 +471,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025"
+            ]
          },
          {
             "name" : "026",
@@ -493,7 +510,6 @@
             ]
          },
          {
-            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -508,9 +524,11 @@
                   9
                ]
             ],
-            "id" : "028"
+            "id" : "028",
+            "name" : "028"
          },
          {
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -525,12 +543,10 @@
                   12
                ]
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-            "id" : "029",
             "name" : "029"
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-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -544,9 +560,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
+            "name" : "031",
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -560,12 +579,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "031",
-            "name" : "031"
+            ]
          },
          {
-            "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -580,9 +597,11 @@
                   10
                ]
             ],
-            "name" : "032"
+            "id" : "032"
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+            "name" : "033",
+            "id" : "033",
             "data" : [
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                   "Perl",
@@ -596,9 +615,7 @@
                   "Blog",
                   10
                ]
-            ],
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-            "name" : "033"
+            ]
          },
          {
             "name" : "034",
@@ -620,6 +637,7 @@
          },
          {
             "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -633,8 +651,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "035"
+            ]
          },
          {
             "data" : [
@@ -655,6 +672,7 @@
             "name" : "036"
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          {
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -669,11 +687,9 @@
                   9
                ]
             ],
-            "id" : "037",
-            "name" : "037"
+            "id" : "037"
          },
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-            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -688,10 +704,11 @@
                   12
                ]
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+            "id" : "038",
             "name" : "038"
          },
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-            "id" : "039",
+            "name" : "039",
             "data" : [
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                   "Perl",
@@ -706,9 +723,10 @@
                   12
                ]
             ],
-            "name" : "039"
+            "id" : "039"
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+            "name" : "040",
             "id" : "040",
             "data" : [
                [
@@ -723,8 +741,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040"
+            ]
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             "name" : "041",
@@ -746,7 +763,6 @@
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-            "id" : "042",
             "data" : [
                [
                   "Perl",
@@ -760,7 +776,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "042"
          },
          {
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@@ -800,7 +817,6 @@
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-            "id" : "045",
             "data" : [
                [
                   "Perl",
@@ -814,11 +830,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "045"
          },
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-            "name" : "046",
-            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -832,9 +847,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "046",
+            "name" : "046"
          },
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+            "name" : "047",
             "data" : [
                [
                   "Perl",
@@ -849,11 +867,9 @@
                   10
                ]
             ],
-            "id" : "047",
-            "name" : "047"
+            "id" : "047"
          },
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-            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -868,10 +884,10 @@
                   12
                ]
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+            "id" : "048",
             "name" : "048"
          },
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-            "name" : "049",
             "data" : [
                [
                   "Perl",
@@ -886,10 +902,10 @@
                   12
                ]
             ],
-            "id" : "049"
+            "id" : "049",
+            "name" : "049"
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-            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -904,10 +920,12 @@
                   12
                ]
             ],
-            "id" : "050"
+            "id" : "050",
+            "name" : "050"
          },
          {
             "name" : "051",
+            "id" : "051",
             "data" : [
                [
                   "Perl",
@@ -921,11 +939,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "051"
+            ]
          },
          {
-            "name" : "052",
             "id" : "052",
             "data" : [
                [
@@ -940,10 +956,10 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "052"
          },
          {
-            "name" : "053",
             "id" : "053",
             "data" : [
                [
@@ -958,9 +974,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "053"
          },
          {
+            "name" : "054",
             "id" : "054",
             "data" : [
                [
@@ -975,8 +993,7 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "054"
+            ]
          },
          {
             "data" : [
@@ -997,6 +1014,7 @@
             "name" : "055"
          },
          {
+            "name" : "056",
             "id" : "056",
             "data" : [
                [
@@ -1011,11 +1029,9 @@
                   "Blog",
                   16
                ]
-            ],
-            "name" : "056"
+            ]
          },
          {
-            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1030,9 +1046,11 @@
                   15
                ]
             ],
+            "id" : "057",
             "name" : "057"
          },
          {
+            "name" : "058",
             "data" : [
                [
                   "Perl",
@@ -1047,11 +1065,11 @@
                   13
                ]
             ],
-            "id" : "058",
-            "name" : "058"
+            "id" : "058"
          },
          {
             "name" : "059",
+            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1065,8 +1083,7 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "059"
+            ]
          },
          {
             "data" : [
@@ -1087,6 +1104,7 @@
             "name" : "060"
          },
          {
+            "id" : "061",
             "data" : [
                [
                   "Perl",
@@ -1101,7 +1119,6 @@
                   14
                ]
             ],
-            "id" : "061",
             "name" : "061"
          },
          {
@@ -1123,7 +1140,6 @@
             "name" : "062"
          },
          {
-            "name" : "063",
             "data" : [
                [
                   "Perl",
@@ -1138,7 +1154,8 @@
                   13
                ]
             ],
-            "id" : "063"
+            "id" : "063",
+            "name" : "063"
          },
          {
             "data" : [
@@ -1159,7 +1176,6 @@
             "name" : "064"
          },