How should the underlined lists in the sentence be punctuated?

They should be punctuated in the same way. Both lists should use commas to separate items.
They should be punctuated in the same way. Both lists should use semicolons to separate items.
They should be punctuated differently. The items in the first list should be separated by commas. The items in the second list should be separated by semicolons.
They should be punctuated differently. The items in the first list should be separated by semicolons. The items in the second list should be sepa