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$List = (Invoke-WebRequest 'https://gist.githubusercontent.com/LabtechConsulting/10dcec9713a56830b178d4bfec5a5b75/raw/bd57f1335350a6f76e3292a4a124a338e04ee529/new_gist_file_0').Content
$List = ($List -split ',').trim()
$hash = @{}

function Find-HQ{
    param(
        [parameter(ValueFromPipeline=$True)]
        $Instruction,
        $Dir
    )
    begin{
        $x = 0
        $y = 0
        switch($Dir) {
            'n'{ $Dir = 0}
            'e'{ $Dir = 1}
            's'{ $Dir = 2}
            'w'{ $Dir = 3}
        }
        $Found = 0
        $hash[[tuple]::Create($x,$y)] = 1
    }
    process{
        $Steps = [convert]::ToInt32($Instruction.trim('LR'), 10)
        $Direction = $Instruction.replace($Steps,'')
        if($Direction -eq 'r'){$Dir ++}
        else{$Dir --}
        if($Dir -gt 3){$Dir = 0}
        if($Dir -lt 0){$Dir = 3}
        for ($i=1; $i -le $Steps -and $Found -ne 1; $i++){
            switch($Dir) {
                1{ $x += 1}
                3{ $x -= 1}
                0{ $y += 1}
                2{ $y -= 1}
            }
            $hash[[tuple]::Create($x,$y)] += 1
            if($hash.ContainsValue(2)){
                $Found = 1
                Write-Output "HQ at x:$x y:$y"
                if($x -lt 0){$x *= -1}
                if($y -lt 0){$y *= -1}
                $Total = $x + $y
                Write-Output "Bunny is $Total blocks away"               
            }
        }
        if($Found -eq 1){continue}
    } 
    end{}    
}

$list | Find-HQ -Dir n