Convert rows to cols

Sub test()
    Dim ra As Range, rdata As Range, filt As Range, j As Long, k As Long
    Dim r1 As Range, cr1 As Range, m As Long, n As Long
    undo
    Worksheets("sheet1").Activate
    Set ra = Range(Range("A1"), Range("a1").End(xlDown))
    Set r1 = Range("A1").End(xlDown).Offset(5, 0)
    Set rdata = Range("A1").CurrentRegion
    ra.AdvancedFilter xlFilterCopy, , r1, True
    Set r1 = Range(r1.Offset(1, 0), r1.End(xlDown))

    For Each cr1 In r1
        rdata.AutoFilter field:=1, Criteria1:=cr1.Value
        Set filt = rdata.Offset(1, 0).Resize(rdata.Rows.Count - 1).SpecialCells(xlCellTypeVisible)
        j = filt.Areas.Count

        For k = 1 To j
            m = filt.Areas(k).Rows.Count
            For n = 1 To m
                filt.Areas(k).Range(Cells(n, 2), Cells(n, 3)).Copy Cells(cr1.Row, Columns.Count).End(xlToLeft).Offset(0, 1)
            Next n
        Next k
        ActiveSheet.AutoFilterMode = False
    Next cr1
End Sub

Sub undo()
    Worksheets("sheet1").Activate
    Range(Range("A1").End(xlDown).Offset(1, 0), Cells(Rows.Count, "A")).EntireRow.Delete

End Sub