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+#!/usr/bin/env raku
+# :vim ft=raku sw=4 expandtab  # 🦋 ∅∪∩∋∈∉ ≡ ≢ «␤ » ∴
+use v6.d;
+use lib $?FILE.IO.parent(2).add("lib");
+use Test;
+
+=begin comment
+213-1: Fun Sort             Submitted by: Mohammad S Anwar
+Given a list of positive integers, sort the all even integers first then
+all odds in ascending order.
+
+Example 1
+Input: @list = (1,2,3,4,5,6)
+Output: (2,4,6,1,3,5)
+Example 2
+Input: @list = (1,2)
+Output: (2,1)
+Example 3
+Input: @list = (1)
+Output: (1)
+=end comment
+
+my @Test =
+    # @in            @exp
+    [],             [],
+    [1,2,3,4,5,6],  [2,4,6,1,3,5],
+    [1,2],          [2,1],
+    [1],            [1],
+    [100,100,99,9,10,2,3], [2,10,100,100,3,9,99],
+    [1,2,3,-9,10],  [2,10,-9,1,3],
+    [-100, 100, -99, -9 -10,2,3], [-100,2,100,-99,-19,3],
+    [2,5,4,3,1,1,3,10,22,44,66,88,110,5,9,7],
+    [2,4,10,22,44,66,88,110,1,1,3,3,5,5,7,9],
+;
+plan @Test ÷ 2;
+
+for @Test -> @in, @exp {
+    is @in.sort( { $_ % 2, $_}), @exp, "@in[] --> @exp[]";
+}
+my @list = 100,100,99,9,10,2,3;
+say "\nInput: @list = (@list.join(','))
+Output:  (@list.sort( { $_ % 2, $_}).join(','))";
+exit;
+