2 files changed, 30 insertions, 0 deletions
diff --git a/challenge-046/markus-holzer/raku/ch-1.raku b/challenge-046/markus-holzer/raku/ch-1.raku
new file mode 100644
index 0000000000..5c5c38ae18
--- /dev/null
+++ b/challenge-046/markus-holzer/raku/ch-1.raku
@@ -0,0 +1,20 @@
+my $message = q:to/END/; 
+P + 2 l ! a t o
+1 e 8 0 R $ 4 u
+5 - r ] + a > /
+P x w l b 3 k \
+2 e 3 5 R 8 y u
+< ! r ^ ( ) k 0
+END
+
+# gives 'PerlRaku'
+say decrypt( $message );
+
+sub decrypt( $encrypted )
+{
+    join '', roundrobin( 
+        $encrypted.lines.map({ .split(/ \s /) }) 
+    ).map({ 
+        .Bag.first({ .value > 1 }).key 
+    });
+}
+\ No newline at end of file
diff --git a/challenge-046/markus-holzer/raku/ch-2.raku b/challenge-046/markus-holzer/raku/ch-2.raku
new file mode 100644
index 0000000000..f762a3f6e9
--- /dev/null
+++ b/challenge-046/markus-holzer/raku/ch-2.raku
@@ -0,0 +1,10 @@
+say "Open rooms: ", (1..^500).grep({ 
+    is-open( $_ ) 
+}).join(",");
+
+sub is-open( $i )
+{
+    my $status = !($i %% 2);
+    $status = !$status if $i %% $_ for 3, 4;
+    $status;
+}