- Added solutions by Duncan C. White.

11 files changed, 937 insertions, 922 deletions

diff --git a/challenge-037/duncan-c-white/perl5/ch-1-in-postscript.ps b/challenge-037/duncan-c-white/postscript/ch-1.ps
index ae7c894215..ae7c894215 100644
--- a/challenge-037/duncan-c-white/perl5/ch-1-in-postscript.ps
+++ b/challenge-037/duncan-c-white/postscript/ch-1.ps
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index dad9dd7c33..9d30e2677a 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,44 +1,44 @@
 {
-   "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/>"
+   "legend" : {
+      "enabled" : 0
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          },
          "borderWidth" : 0
       }
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "xAxis" : {
       "type" : "category"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 037"
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 17] Last updated at 2019-12-08 02:49:12 GMT"
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "id" : "Andrezgz",
-            "name" : "Andrezgz"
+            "id" : "Andrezgz"
          },
          {
             "id" : "Daniel Mita",
-            "name" : "Daniel Mita",
             "data" : [
                [
                   "Perl 5",
@@ -48,11 +48,10 @@
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Daniel Mita"
          },
          {
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl 5",
@@ -62,30 +61,41 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
             "name" : "Duane Powell",
-            "id" : "Duane Powell",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ]
+            ],
+            "id" : "Duane Powell"
+         },
+         {
+            "name" : "Duncan C. White",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ],
+            "id" : "Duncan C. White"
          },
          {
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "E. Choroba",
-            "id" : "E. Choroba"
+            "name" : "E. Choroba"
          },
          {
-            "id" : "Javier Luque",
             "name" : "Javier Luque",
             "data" : [
                [
@@ -100,49 +110,51 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Javier Luque"
          },
          {
-            "name" : "Lubos Kolouch",
-            "id" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
          },
          {
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
          },
          {
+            "name" : "Pete Houston",
+            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ],
-            "name" : "Pete Houston",
-            "id" : "Pete Houston"
+            ]
          },
          {
-            "id" : "Richard Nuttall",
             "name" : "Richard Nuttall",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "id" : "Richard Nuttall"
          },
          {
+            "name" : "Roger Bell West",
             "data" : [
                [
                   "Perl 5",
@@ -153,8 +165,7 @@
                   2
                ]
             ],
-            "id" : "Roger Bell West",
-            "name" : "Roger Bell West"
+            "id" : "Roger Bell West"
          },
          {
             "name" : "Ryan Thompson",
@@ -167,18 +178,18 @@
             ]
          },
          {
-            "id" : "Saif Ahmed",
             "name" : "Saif Ahmed",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Saif Ahmed"
          },
          {
-            "id" : "Simon Proctor",
             "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Perl 6",
@@ -187,122 +198,126 @@
             ]
          },
          {
+            "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
             ],
-            "name" : "Steven Wilson",
-            "id" : "Steven Wilson"
+            "name" : "Steven Wilson"
          },
          {
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke"
          }
       ]
    },
-   "subtitle" : {
-      "text" : "[Champions: 16] Last updated at 2019-12-08 02:18:10 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "Perl Weekly Challenge - 037"
    },
    "series" : [
       {
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 037",
          "data" : [
             {
-               "drilldown" : "Andrezgz",
                "name" : "Andrezgz",
+               "drilldown" : "Andrezgz",
                "y" : 2
             },
             {
-               "drilldown" : "Daniel Mita",
                "name" : "Daniel Mita",
+               "drilldown" : "Daniel Mita",
                "y" : 3
             },
             {
-               "drilldown" : "Dave Jacoby",
                "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
                "y" : 3
             },
             {
                "y" : 1,
-               "name" : "Duane Powell",
-               "drilldown" : "Duane Powell"
+               "drilldown" : "Duane Powell",
+               "name" : "Duane Powell"
             },
             {
-               "name" : "E. Choroba",
                "y" : 2,
-               "drilldown" : "E. Choroba"
+               "drilldown" : "Duncan C. White",
+               "name" : "Duncan C. White"
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
             },
             {
-               "drilldown" : "Javier Luque",
                "y" : 5,
-               "name" : "Javier Luque"
+               "name" : "Javier Luque",
+               "drilldown" : "Javier Luque"
             },
             {
-               "name" : "Lubos Kolouch",
                "y" : 2,
+               "name" : "Lubos Kolouch",
                "drilldown" : "Lubos Kolouch"
             },
             {
-               "name" : "Mark Anderson",
                "y" : 2,
-               "drilldown" : "Mark Anderson"
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson"
             },
             {
-               "drilldown" : "Pete Houston",
                "name" : "Pete Houston",
+               "drilldown" : "Pete Houston",
                "y" : 1
             },
             {
+               "name" : "Richard Nuttall",
                "drilldown" : "Richard Nuttall",
-               "y" : 2,
-               "name" : "Richard Nuttall"
+               "y" : 2
             },
             {
                "drilldown" : "Roger Bell West",
-               "y" : 4,
-               "name" : "Roger Bell West"
+               "name" : "Roger Bell West",
+               "y" : 4
             },
             {
-               "drilldown" : "Ryan Thompson",
                "name" : "Ryan Thompson",
+               "drilldown" : "Ryan Thompson",
                "y" : 2
             },
             {
+               "y" : 2,
                "drilldown" : "Saif Ahmed",
-               "name" : "Saif Ahmed",
-               "y" : 2
+               "name" : "Saif Ahmed"
             },
             {
+               "y" : 1,
                "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor",
-               "y" : 1
+               "name" : "Simon Proctor"
             },
             {
+               "y" : 1,
                "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson",
-               "y" : 1
+               "name" : "Steven Wilson"
             },
             {
                "y" : 2,
-               "name" : "Ulrich Rieke",
-               "drilldown" : "Ulrich Rieke"
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke"
             }
-         ],
-         "name" : "Perl Weekly Challenge - 037",
-         "colorByPoint" : 1
+         ]
       }
-   ]
+   ],
+   "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/>"
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 29d7fcaa6d..9c7161b1af 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,23 +1,23 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions - 2019"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "series" : [
       {
          "dataLabels" : {
-            "enabled" : "true",
             "y" : 10,
+            "color" : "#FFFFFF",
             "style" : {
                "fontFamily" : "Verdana, sans-serif",
                "fontSize" : "13px"
             },
-            "color" : "#FFFFFF",
             "format" : "{point.y:.0f}",
+            "align" : "right",
             "rotation" : -90,
-            "align" : "right"
+            "enabled" : "true"
          },
          "data" : [
             [
@@ -26,7 +26,7 @@
             ],
             [
                "Perl 5",
-               1536
+               1538
             ],
             [
                "Perl 6",
@@ -36,28 +36,28 @@
          "name" : "Contributions"
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2019-12-08 02:18:42 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "xAxis" : {
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       },
       "type" : "category"
    },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions - 2019"
+   "subtitle" : {
+      "text" : "Last updated at 2019-12-08 02:49:39 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index be3d580df6..40ecef555d 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,4 +1,24 @@
 {
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2019-12-08 02:49:39 GMT"
+   },
+   "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/>"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
@@ -8,7 +28,6 @@
       "series" : [
          {
             "id" : "001",
-            "name" : "001",
             "data" : [
                [
                   "Perl 5",
@@ -22,9 +41,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001"
          },
          {
+            "id" : "002",
             "data" : [
                [
                   "Perl 5",
@@ -39,11 +60,9 @@
                   9
                ]
             ],
-            "name" : "002",
-            "id" : "002"
+            "name" : "002"
          },
          {
-            "id" : "003",
             "name" : "003",
             "data" : [
                [
@@ -58,9 +77,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "003"
          },
          {
+            "name" : "004",
             "data" : [
                [
                   "Perl 5",
@@ -75,12 +96,9 @@
                   10
                ]
             ],
-            "id" : "004",
-            "name" : "004"
+            "id" : "004"
          },
          {
-            "name" : "005",
-            "id" : "005",
             "data" : [
                [
                   "Perl 5",
@@ -94,9 +112,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "005",
+            "id" : "005"
          },
          {
+            "id" : "006",
             "data" : [
                [
                   "Perl 5",
@@ -111,12 +132,9 @@
                   7
                ]
             ],
-            "id" : "006",
             "name" : "006"
          },
          {
-            "id" : "007",
-            "name" : "007",
             "data" : [
                [
                   "Perl 5",
@@ -130,11 +148,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007",
+            "id" : "007"
          },
          {
-            "id" : "008",
-            "name" : "008",
             "data" : [
                [
                   "Perl 5",
@@ -148,9 +166,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "008",
+            "id" : "008"
          },
          {
+            "name" : "009",
             "data" : [
                [
                   "Perl 5",
@@ -165,10 +186,11 @@
                   13
                ]
             ],
-            "id" : "009",
-            "name" : "009"
+            "id" : "009"
          },
          {
+            "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl 5",
@@ -182,13 +204,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010",
-            "name" : "010"
+            ]
          },
          {
             "name" : "011",
-            "id" : "011",
             "data" : [
                [
                   "Perl 5",
@@ -202,9 +221,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "011"
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl 5",
@@ -218,11 +240,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012",
-            "name" : "012"
+            ]
          },
          {
+            "name" : "013",
             "data" : [
                [
                   "Perl 5",
@@ -237,12 +258,10 @@
                   13
                ]
             ],
-            "name" : "013",
             "id" : "013"
          },
          {
             "name" : "014",
-            "id" : "014",
             "data" : [
                [
                   "Perl 5",
@@ -256,9 +275,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "014"
          },
          {
+            "id" : "015",
             "data" : [
                [
                   "Perl 5",
@@ -273,12 +294,11 @@
                   15
                ]
             ],
-            "id" : "015",
             "name" : "015"
          },
          {
-            "name" : "016",
             "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl 5",
@@ -296,7 +316,6 @@
          },
          {
             "id" : "017",
-            "name" : "017",
             "data" : [
                [
                   "Perl 5",
@@ -310,11 +329,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "017"
          },
          {
-            "name" : "018",
-            "id" : "018",
             "data" : [
                [
                   "Perl 5",
@@ -328,7 +346,9 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "018",
+            "id" : "018"
          },
          {
             "data" : [
@@ -349,8 +369,6 @@
             "id" : "019"
          },
          {
-            "id" : "020",
-            "name" : "020",
             "data" : [
                [
                   "Perl 5",
@@ -364,10 +382,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "020",
+            "id" : "020"
          },
          {
-            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -382,10 +401,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "021"
          },
          {
-            "name" : "022",
             "id" : "022",
             "data" : [
                [
@@ -400,9 +419,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "022"
          },
          {
+            "name" : "023",
             "data" : [
                [
                   "Perl 5",
@@ -417,8 +438,7 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "id" : "023"
          },
          {
             "data" : [
@@ -435,10 +455,11 @@
                   11
                ]
             ],
-            "id" : "024",
-            "name" : "024"
+            "name" : "024",
+            "id" : "024"
          },
          {
+            "id" : "025",
             "data" : [
                [
                   "Perl 5",
@@ -453,11 +474,9 @@
                   12
                ]
             ],
-            "id" : "025",
             "name" : "025"
          },
          {
-            "name" : "026",
             "id" : "026",
             "data" : [
                [
@@ -472,11 +491,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "026"
          },
          {
-            "name" : "027",
             "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl 5",
@@ -493,8 +513,6 @@
             ]
          },
          {
-            "name" : "028",
-            "id" : "028",
             "data" : [
                [
                   "Perl 5",
@@ -508,9 +526,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "028",
+            "id" : "028"
          },
          {
+            "id" : "029",
             "data" : [
                [
                   "Perl 5",
@@ -525,11 +546,9 @@
                   12
                ]
             ],
-            "name" : "029",
-            "id" : "029"
+            "name" : "029"
          },
          {
-            "id" : "030",
             "name" : "030",
             "data" : [
                [
@@ -544,10 +563,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
-            "id" : "031",
             "name" : "031",
             "data" : [
                [
@@ -562,10 +581,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "031"
          },
          {
-            "id" : "032",
             "name" : "032",
             "data" : [
                [
@@ -580,11 +599,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "032"
          },
          {
-            "name" : "033",
             "id" : "033",
+            "name" : "033",
             "data" : [
                [
                   "Perl 5",
@@ -601,6 +621,7 @@
             ]
          },
          {
+            "id" : "034",
             "data" : [
                [
                   "Perl 5",
@@ -615,10 +636,10 @@
                   10
                ]
             ],
-            "name" : "034",
-            "id" : "034"
+            "name" : "034"
          },
          {
+            "name" : "035",
             "data" : [
                [
                   "Perl 5",
@@ -633,12 +654,11 @@
                   9
                ]
             ],
-            "name" : "035",
             "id" : "035"
          },
          {
-            "name" : "036",
             "id" : "036",
+            "name" : "036",
             "data" : [
                [
                   "Perl 5",
@@ -655,10 +675,12 @@
             ]
          },
          {
+            "id" : "037",
+            "name" : "037",
             "data" : [
                [
                   "Perl 5",
-                  22
+                  24
                ],
                [
                   "Perl 6",
@@ -668,26 +690,19 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "037",
-            "name" : "037"
+            ]
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2019-12-08 02:18:42 GMT"
-   },
    "series" : [
       {
+         "colorByPoint" : "true",
          "name" : "Perl Weekly Challenge Languages",
          "data" : [
             {
                "name" : "#001",
-               "drilldown" : "001",
-               "y" : 132
+               "y" : 132,
+               "drilldown" : "001"
             },
             {
                "drilldown" : "002",
@@ -696,13 +711,13 @@
             },
             {
                "name" : "#003",
-               "drilldown" : "003",
-               "y" : 67
+               "y" : 67,
+               "drilldown" : "003"
             },
             {
-               "drilldown" : "004",
                "name" : "#004",
-               "y" : 87
+               "y" : 87,
+               "drilldown" : "004"
             },
             {
                "y" : 67,
@@ -710,19 +725,19 @@
                "drilldown" : "005"
             },
             {
-               "y" : 48,
                "drilldown" : "006",
+               "y" : 48,
                "name" : "#006"
             },
             {
-               "y" : 56,
                "drilldown" : "007",
-               "name" : "#007"
+               "name" : "#007",
+               "y" : 56
             },
             {
-               "drilldown" : "008",
+               "y" : 70,
                "name" : "#008",
-               "y" : 70
+               "drilldown" : "008"
             },
             {
                "drilldown" : "009",
@@ -730,14 +745,14 @@
                "y" : 68
             },
             {
-               "drilldown" : "010",
                "name" : "#010",
-               "y" : 60
+               "y" : 60,
+               "drilldown" : "010"
             },
             {
+               "name" : "#011",
                "y" : 79,
-               "drilldown" : "011",
-               "name" : "#011"
+               "drilldown" : "011"
             },
             {
                "y" : 83,
@@ -751,37 +766,37 @@
             },
             {
                "y" : 96,
-               "drilldown" : "014",
-               "name" : "#014"
+               "name" : "#014",
+               "drilldown" : "014"
             },
             {
-               "drilldown" : "015",
+               "y" : 93,
                "name" : "#015",
-               "y" : 93
+               "drilldown" : "015"
             },
             {
+               "y" : 66,
                "name" : "#016",
-               "drilldown" : "016",
-               "y" : 66
+               "drilldown" : "016"
             },
             {
                "y" : 79,
-               "drilldown" : "017",
-               "name" : "#017"
+               "name" : "#017",
+               "drilldown" : "017"
             },
             {
-               "name" : "#018",
                "drilldown" : "018",
-               "y" : 76
+               "y" : 76,
+               "name" : "#018"
             },
             {
-               "y" : 95,
                "drilldown" : "019",
+               "y" : 95,
                "name" : "#019"
             },
             {
-               "y" : 95,
                "name" : "#020",
+               "y" : 95,
                "drilldown" : "020"
             },
             {
@@ -790,39 +805,39 @@
                "drilldown" : "021"
             },
             {
-               "name" : "#022",
                "drilldown" : "022",
+               "name" : "#022",
                "y" : 63
             },
             {
-               "y" : 91,
+               "drilldown" : "023",
                "name" : "#023",
-               "drilldown" : "023"
+               "y" : 91
             },
             {
-               "drilldown" : "024",
                "name" : "#024",
-               "y" : 70
+               "y" : 70,
+               "drilldown" : "024"