- Added review blogs by Laurent Rosenfeld.

38 files changed, 4604 insertions, 4598 deletions

diff --git a/challenge-015/laurent-rosenfeld/blog2.txt b/challenge-015/laurent-rosenfeld/blog2.txt
new file mode 100644
index 0000000000..bbe286ce1b
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/blog2.txt
@@ -0,0 +1 @@
+https://github.com/LaurentRosenfeld/Perl-6-Miscellaneous/blob/master/Challenges-in-Perl6/Vigenere-cypher.md
diff --git a/challenge-015/laurent-rosenfeld/blog3.txt b/challenge-015/laurent-rosenfeld/blog3.txt
new file mode 100644
index 0000000000..08b847079c
--- /dev/null
+++ b/challenge-015/laurent-rosenfeld/blog3.txt
@@ -0,0 +1 @@
+https://github.com/LaurentRosenfeld/Perl-6-Miscellaneous/blob/master/Challenges-in-Perl6/Strong-and-weak-primes.md
diff --git a/challenge-016/laurent-rosenfeld/blog2.txt b/challenge-016/laurent-rosenfeld/blog2.txt
new file mode 100644
index 0000000000..0f9727c5ca
--- /dev/null
+++ b/challenge-016/laurent-rosenfeld/blog2.txt
@@ -0,0 +1 @@
+https://github.com/LaurentRosenfeld/Perl-6-Miscellaneous/blob/master/Challenges-in-Perl6/Pytagoras-Pie.md
diff --git a/challenge-017/laurent-rosenfeld/blog1.txt b/challenge-017/laurent-rosenfeld/blog1.txt
new file mode 100644
index 0000000000..4f36439555
--- /dev/null
+++ b/challenge-017/laurent-rosenfeld/blog1.txt
@@ -0,0 +1 @@
+https://github.com/LaurentRosenfeld/Perl-6-Miscellaneous/blob/master/Challenges-in-Perl6/Parsing-URL.md
diff --git a/challenge-022/laurent-rosenfeld/blog1.txt b/challenge-022/laurent-rosenfeld/blog1.txt
new file mode 100644
index 0000000000..cfbbc7492f
--- /dev/null
+++ b/challenge-022/laurent-rosenfeld/blog1.txt
@@ -0,0 +1 @@
+https://github.com/LaurentRosenfeld/Perl-6-Miscellaneous/blob/master/Challenges-in-Perl6/Sexy-primes-pairs.md
diff --git a/challenge-022/laurent-rosenfeld/blog2.txt b/challenge-022/laurent-rosenfeld/blog2.txt
new file mode 100644
index 0000000000..88b8449c2c
--- /dev/null
+++ b/challenge-022/laurent-rosenfeld/blog2.txt
@@ -0,0 +1 @@
+https://github.com/LaurentRosenfeld/Perl-6-Miscellaneous/blob/master/Challenges-in-Perl6/Compression-algorithm.md
diff --git a/stats/pwc-challenge-001.json b/stats/pwc-challenge-001.json
index d47a8695c9..06ff4e6ea8 100644
--- a/stats/pwc-challenge-001.json
+++ b/stats/pwc-challenge-001.json
@@ -1,12 +1,4 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 001"
-   },
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
@@ -16,22 +8,8 @@
          }
       }
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 55] Last updated at 2019-08-30 22:13:05 GMT"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1
-   },
-   "legend" : {
-      "enabled" : 0
+   "title" : {
+      "text" : "Perl Weekly Challenge - 001"
    },
    "series" : [
       {
@@ -39,8 +17,8 @@
          "data" : [
             {
                "drilldown" : "Adam Russell",
-               "name" : "Adam Russell",
-               "y" : 3
+               "y" : 3,
+               "name" : "Adam Russell"
             },
             {
                "name" : "Ailbhe Tweedie",
@@ -48,19 +26,19 @@
                "drilldown" : "Ailbhe Tweedie"
             },
             {
-               "drilldown" : "Alex Daniel",
                "name" : "Alex Daniel",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Alex Daniel"
             },
             {
-               "drilldown" : "Andrezgz",
                "name" : "Andrezgz",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Andrezgz"
             },
             {
                "drilldown" : "Antonio Gamiz",
-               "name" : "Antonio Gamiz",
-               "y" : 2
+               "y" : 2,
+               "name" : "Antonio Gamiz"
             },
             {
                "y" : 5,
@@ -69,8 +47,8 @@
             },
             {
                "drilldown" : "Arpad Toth",
-               "y" : 2,
-               "name" : "Arpad Toth"
+               "name" : "Arpad Toth",
+               "y" : 2
             },
             {
                "drilldown" : "Athanasius",
@@ -78,9 +56,9 @@
                "y" : 2
             },
             {
+               "drilldown" : "Bob Kleemann",
                "name" : "Bob Kleemann",
-               "y" : 2,
-               "drilldown" : "Bob Kleemann"
+               "y" : 2
             },
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                "drilldown" : "Daniel Mantovani",
@@ -88,34 +66,34 @@
                "name" : "Daniel Mantovani"
             },
             {
-               "drilldown" : "Dave Cross",
                "y" : 3,
-               "name" : "Dave Cross"
+               "name" : "Dave Cross",
+               "drilldown" : "Dave Cross"
             },
             {
+               "drilldown" : "Dave Jacoby",
                "y" : 2,
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
+               "name" : "Dave Jacoby"
             },
             {
-               "y" : 2,
                "name" : "David Kayal",
+               "y" : 2,
                "drilldown" : "David Kayal"
             },
             {
                "drilldown" : "Doug Schrag",
-               "name" : "Doug Schrag",
-               "y" : 2
+               "y" : 2,
+               "name" : "Doug Schrag"
             },
             {
-               "y" : 4,
+               "drilldown" : "Dr James A. Smith",
                "name" : "Dr James A. Smith",
-               "drilldown" : "Dr James A. Smith"
+               "y" : 4
             },
             {
-               "name" : "Duncan C. White",
+               "drilldown" : "Duncan C. White",
                "y" : 2,
-               "drilldown" : "Duncan C. White"
+               "name" : "Duncan C. White"
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             {
                "name" : "Eddy HS",
@@ -123,8 +101,8 @@
                "drilldown" : "Eddy HS"
             },
             {
-               "name" : "Finley",
                "y" : 2,
+               "name" : "Finley",
                "drilldown" : "Finley"
             },
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@@ -148,19 +126,19 @@
                "drilldown" : "JJ Merelo"
             },
             {
-               "y" : 4,
                "name" : "Jaldhar H. Vyas",
+               "y" : 4,
                "drilldown" : "Jaldhar H. Vyas"
             },
             {
                "drilldown" : "Jeff",
-               "name" : "Jeff",
-               "y" : 2
+               "y" : 2,
+               "name" : "Jeff"
             },
             {
                "drilldown" : "Jeremy Carman",
-               "y" : 2,
-               "name" : "Jeremy Carman"
+               "name" : "Jeremy Carman",
+               "y" : 2
             },
             {
                "name" : "Jim Bacon",
@@ -168,44 +146,44 @@
                "drilldown" : "Jim Bacon"
             },
             {
-               "drilldown" : "Jo Christian Oterhals",
+               "y" : 5,
                "name" : "Jo Christian Oterhals",
-               "y" : 5
+               "drilldown" : "Jo Christian Oterhals"
             },
             {
-               "drilldown" : "Joelle Maslak",
+               "name" : "Joelle Maslak",
                "y" : 4,
-               "name" : "Joelle Maslak"
+               "drilldown" : "Joelle Maslak"
             },
             {
-               "drilldown" : "John Barrett",
+               "name" : "John Barrett",
                "y" : 1,
-               "name" : "John Barrett"
+               "drilldown" : "John Barrett"
             },
             {
-               "drilldown" : "Juan Caballero",
                "name" : "Juan Caballero",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Juan Caballero"
             },
             {
                "drilldown" : "Khalid",
-               "y" : 2,
-               "name" : "Khalid"
+               "name" : "Khalid",
+               "y" : 2
             },
             {
-               "name" : "Kian-Meng Ang",
                "y" : 3,
+               "name" : "Kian-Meng Ang",
                "drilldown" : "Kian-Meng Ang"
             },
             {
-               "name" : "Kivanc Yazan",
+               "drilldown" : "Kivanc Yazan",
                "y" : 2,
-               "drilldown" : "Kivanc Yazan"
+               "name" : "Kivanc Yazan"
             },
             {
-               "drilldown" : "Lars Balker",
+               "name" : "Lars Balker",
                "y" : 4,
-               "name" : "Lars Balker"
+               "drilldown" : "Lars Balker"
             },
             {
                "drilldown" : "Laurent Rosenfeld",
@@ -213,34 +191,34 @@
                "name" : "Laurent Rosenfeld"
             },
             {
+               "drilldown" : "Mark Senn",
                "name" : "Mark Senn",
-               "y" : 2,
-               "drilldown" : "Mark Senn"
+               "y" : 2
             },
             {
-               "drilldown" : "Martin Mugeni",
                "y" : 2,
-               "name" : "Martin Mugeni"
+               "name" : "Martin Mugeni",
+               "drilldown" : "Martin Mugeni"
             },
             {
-               "name" : "Neil Bowers",
                "y" : 1,
+               "name" : "Neil Bowers",
                "drilldown" : "Neil Bowers"
             },
             {
                "drilldown" : "Nick Logan",
-               "name" : "Nick Logan",
-               "y" : 4
+               "y" : 4,
+               "name" : "Nick Logan"
             },
             {
                "drilldown" : "Oleksii Tsvietnov",
-               "name" : "Oleksii Tsvietnov",
-               "y" : 2
+               "y" : 2,
+               "name" : "Oleksii Tsvietnov"
             },
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-               "y" : 2,
+               "drilldown" : "Ozzy",
                "name" : "Ozzy",
-               "drilldown" : "Ozzy"
+               "y" : 2
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                "y" : 2,
@@ -249,28 +227,28 @@
             },
             {
                "drilldown" : "Pete Houston",
-               "y" : 2,
-               "name" : "Pete Houston"
+               "name" : "Pete Houston",
+               "y" : 2
             },
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-               "drilldown" : "Philippe Bruhat",
                "y" : 3,
-               "name" : "Philippe Bruhat"
+               "name" : "Philippe Bruhat",
+               "drilldown" : "Philippe Bruhat"
             },
             {
                "drilldown" : "Prajith P",
-               "name" : "Prajith P",
-               "y" : 1
+               "y" : 1,
+               "name" : "Prajith P"
             },
             {
-               "drilldown" : "Sean Meininger",
                "name" : "Sean Meininger",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Sean Meininger"
             },
             {
                "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor",
-               "y" : 6
+               "y" : 6,
+               "name" : "Simon Proctor"
             },
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                "drilldown" : "Simon Reinhardt",
@@ -278,8 +256,8 @@
                "y" : 2
             },
             {
-               "name" : "Steve Rogerson",
                "y" : 4,
+               "name" : "Steve Rogerson",
                "drilldown" : "Steve Rogerson"
             },
             {
@@ -298,9 +276,9 @@
                "y" : 2
             },
             {
-               "y" : 1,
+               "drilldown" : "Veesh Goldman",
                "name" : "Veesh Goldman",
-               "drilldown" : "Veesh Goldman"
+               "y" : 1
             },
             {
                "name" : "William Gilmore",
@@ -309,16 +287,33 @@
             },
             {
                "drilldown" : "Yet Ebreo",
-               "y" : 4,
-               "name" : "Yet Ebreo"
+               "name" : "Yet Ebreo",
+               "y" : 4
             }
          ],
          "colorByPoint" : 1
       }
    ],
+   "legend" : {
+      "enabled" : 0
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Adam Russell",
             "data" : [
                [
                   "Perl 5",
@@ -329,38 +324,37 @@
                   1
                ]
             ],
-            "id" : "Adam Russell",
             "name" : "Adam Russell"
          },
          {
-            "name" : "Ailbhe Tweedie",
             "id" : "Ailbhe Tweedie",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ]
+            ],
+            "name" : "Ailbhe Tweedie"
          },
          {
-            "id" : "Alex Daniel",
+            "name" : "Alex Daniel",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "name" : "Alex Daniel"
+            "id" : "Alex Daniel"
          },
          {
+            "name" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
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-            "id" : "Andrezgz",
-            "name" : "Andrezgz"
+            "id" : "Andrezgz"
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          {
             "id" : "Antonio Gamiz",
@@ -374,7 +368,6 @@
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             "name" : "Arne Sommer",
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             "data" : [
                [
                   "Perl 5",
@@ -388,17 +381,18 @@
                   "Blog",
                   1
                ]
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+            ],
+            "id" : "Arne Sommer"
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-            "id" : "Arpad Toth",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
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-            "name" : "Arpad Toth"
+            "name" : "Arpad Toth",
+            "id" : "Arpad Toth"
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             "id" : "Athanasius",
@@ -411,27 +405,28 @@
             "name" : "Athanasius"
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          {
-            "id" : "Bob Kleemann",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Bob Kleemann"
+            "name" : "Bob Kleemann",
+            "id" : "Bob Kleemann"
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+            "id" : "Daniel Mantovani",
             "data" : [
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                   "Perl 5",
                   1
                ]
             ],
-            "id" : "Daniel Mantovani",
             "name" : "Daniel Mantovani"
          },
          {
             "id" : "Dave Cross",
+            "name" : "Dave Cross",
             "data" : [
                [
                   "Perl 5",
@@ -441,12 +436,10 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Dave Cross"
+            ]
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          {
             "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl 5",
@@ -456,16 +449,17 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby"
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          {
+            "id" : "David Kayal",
             "data" : [
                [
                   "Perl 5",
                   2
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-            "id" : "David Kayal",
             "name" : "David Kayal"
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          {
@@ -475,12 +469,12 @@
                   2
                ]
             ],
-            "id" : "Doug Schrag",
-            "name" : "Doug Schrag"
+            "name" : "Doug Schrag",
+            "id" : "Doug Schrag"
          },
          {
-            "name" : "Dr James A. Smith",
             "id" : "Dr James A. Smith",
+            "name" : "Dr James A. Smith",
             "data" : [
                [
                   "Perl 5",
@@ -494,63 +488,63 @@
          },
          {
             "name" : "Duncan C. White",
-            "id" : "Duncan C. White",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Duncan C. White"
          },
          {
-            "id" : "Eddy HS",
+            "name" : "Eddy HS",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Eddy HS"
+            "id" : "Eddy HS"
          },
          {
-            "id" : "Finley",
+            "name" : "Finley",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "name" : "Finley"
+            "id" : "Finley"
          },
          {
-            "id" : "Fred Zinn",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
             ],
-            "name" : "Fred Zinn"
+            "name" : "Fred Zinn",
+            "id" : "Fred Zinn"
          },
          {
-            "name" : "Freddie B",
-            "id" : "Freddie B",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "name" : "Freddie B",
+            "id" : "Freddie B"
          },
          {
-            "name" : "Gustavo Chaves",
+            "id" : "Gustavo Chaves",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
             ],
-            "id" : "Gustavo Chaves"
+            "name" : "Gustavo Chaves"
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          {
             "name" : "JJ Merelo",
@@ -567,7 +561,6 @@
             "id" : "JJ Merelo"
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-            "name" : "Jaldhar H. Vyas",
             "id" : "Jaldhar H. Vyas",
             "data" : [
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@@ -578,21 +571,21 @@
                   "Perl 6",
                   2
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-            ]
+            ],
+            "name" : "Jaldhar H. Vyas"
          },
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             "name" : "Jeff",
-            "id" : "Jeff",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Jeff"
          },
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             "name" : "Jeremy Carman",
-            "id" : "Jeremy Carman",
             "data" : [
                [
                   "Perl 5",
@@ -602,20 +595,21 @@
                   "Perl 6",
                   1
                ]
-            ]
+            ],
+            "id" : "Jeremy Carman"
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          {
-            "name" : "Jim Bacon",
-            "id" : "Jim Bacon",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ]
+            ],
+            "name" : "Jim Bacon",
+            "id" : "Jim Bacon"
          },
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-            "id" : "Jo Christian Oterhals",
+            "name" : "Jo Christian Oterhals",
             "data" : [
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                   "Perl 5",
@@ -630,11 +624,9 @@
                   1
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             ],
-            "name" : "Jo Christian Oterhals"
+            "id" : "Jo Christian Oterhals"
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-            "id" : "Joelle Maslak",
             "data" : [
                [
                   "Perl 5",
@@ -644,7 +636,9 @@
                   "Perl 6",
                   2
                ]
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+            ],
+            "name" : "Joelle Maslak",
+            "id" : "Joelle Maslak"
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@@ -653,31 +647,30 @@
                   1
                ]
             ],
-            "id" : "John Barrett",
-            "name" : "John Barrett"
+            "name" : "John Barrett",
+            "id" : "John Barrett"
          },
          {
+            "id" : "Juan Caballero",
             "data" : [
                [
                   "Perl 5",
                   2
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-            "id" : "Juan Caballero",
             "name" : "Juan Caballero"
          },
          {
-            "name" : "Khalid",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
+            "name" : "Khalid",
             "id" : "Khalid"
          },
          {
-            "id" : "Kian-Meng Ang",
             "data" : [
                [
                   "Perl 5",
@@ -688,20 +681,21 @@
                   1
                ]
             ],
-            "name" : "Kian-Meng Ang"
+            "name" : "Kian-Meng Ang",
+            "id" : "Kian-Meng Ang"
          },
          {
-            "id" : "Kivanc Yazan",
+            "name" : "Kivanc Yazan",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Kivanc Yazan"
+            "id" : "Kivanc Yazan"
          },
          {
-            "id" : "Lars Balker",
+            "name" : "Lars Balker",
             "data" : [
                [
                   "Perl 5",
@@ -712,10 +706,9 @@
                   2
                ]
             ],
-            "name" : "Lars Balker"
+            "id" : "Lars Balker"
          },
          {
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl 5",
@@ -730,40 +723,40 @@
                   1
                ]
             ],
-            "name" : "Laurent Rosenfeld"
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
          },
          {
-            "id" : "Mark Senn",
+            "name" : "Mark Senn",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "name" : "Mark Senn"
+            "id" : "Mark Senn"