If Left(Target.Address(0, 0), 3) = "K20" Then Rows(68).EntireRow.Hidden = Target.Cells(1, 1).Value = "x"
If Left(Target.Address(0, 0), 3) = "K20" Then Rows(72).EntireRow.Hidden = Target.Cells(1, 1).Value = "x"
If Left(Target.Address(0, 0), 3) = "K20" Then Rows(72).EntireRow.Hidden = Target.Cells(1, 1).Value = "NV"