Sub Visota(ByRef ra As Range)
    Dim CurrCell As Range, cell As Range, ma As Range: Dim col As Range, ro As Range
    For Each ro In ra.Rows
        maxRH = 0
        For Each cell In ro.Cells
            If cell.MergeCells And cell.Address = cell.MergeArea.Cells(1).Address Then
                Debug.Print cell.Address
                Set ma = cell.MergeArea: newCW = 0
                With ma
                    cw = .Columns(1).ColumnWidth: .UnMerge
                    For Each col In .EntireColumn: newCW = newCW + col.ColumnWidth: Next
                    .Columns(1).ColumnWidth = newCW: .EntireRow.AutoFit
                    rh = .EntireRow.RowHeight: If rh > maxRH Then maxRH = rh
                    .Merge: .Columns(1).ColumnWidth = cw
                End With
            End If
        Next cell
        If maxRH > 0 Then ro.EntireRow.RowHeight = maxRH
    Next ro
End Sub
Sub RunVisota()
    Application.ScreenUpdating = False
    Visota ActiveSheet.UsedRange
End Sub