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Generate-PinCodes.ps1

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+# Define the list of "very easy" numbers
+$veryEasyNumbers = @(0, 1, 2, 3, 4, 5, 6, 7, 8, 9) | ForEach-Object {
+    $_.ToString() * 4  # Four identical digits
+}
+$veryEasyNumbers += "1234"  # The sequence "1234"
+
+# Define the list of "easy" numbers consisting of adjacent duos
+$adjacentEasyNumbers = @(0, 1, 2, 3, 4, 5, 6, 7, 8, 9) | ForEach-Object {
+    "{0}{0}{1}{1}" -f $_, (($_ + 1) % 10)  # Two pairs of digits
+}
+
+# Define the list of "easy" numbers consisting of all combinations of 2 duos
+$easyNumbers = @(0..9) | ForEach-Object {
+    $firstDuo = "{0}{0}" -f $_
+    @(0..9) | ForEach-Object {
+        $secondDuo = "{0}{0}" -f $_
+        $number = "{0}{1}{2}{3}" -f $firstDuo[0], $firstDuo[1], $secondDuo[0], $secondDuo[1]
+        if ($veryEasyNumbers + $adjacentEasyNumbers -notcontains $number) {
+            $number
+        }
+    }
+}
+
+# Define the list of "easy" numbers consisting of all combinations under 100, twice
+$doubleUnder100 = @(0..99) | ForEach-Object {
+    "{0:D2}{0:D2}" -f $_
+}
+
+# Generate all combinations from 0000 to 9999
+$combinations = 0..9999 | ForEach-Object {
+    "{0:D4}" -f $_
+}
+
+# Randomize the order of the non-easy numbers
+$nonEasyNumbers = $combinations | Where-Object {
+    $veryEasyNumbers + $adjacentEasyNumbers + $easyNumbers -notcontains $_
+}
+$randomizedNonEasyNumbers = $nonEasyNumbers | Get-Random -Count $nonEasyNumbers.Count
+
+# Combine the easy, double under 100, and non-easy numbers and write to a file
+$allNumbers = $veryEasyNumbers + $adjacentEasyNumbers + $easyNumbers + $doubleUnder100
+$randomizedNumbers = @()
+foreach ($number in $allNumbers) {
+    if ($randomizedNumbers -notcontains $number) {
+        $randomizedNumbers += $number
+    }
+}
+$randomizedNonEasyNumbers | ForEach-Object {
+    if ($randomizedNumbers -notcontains $_) {
+        $randomizedNumbers += $_
+    }
+}
+
+$randomizedNumbers | Out-File -FilePath "C:\Users\pin_codes.txt"