non-underlined[_underlined_]non-underlined

non-underlined[_underlined
underlined_]non-underlined

non-underlined[_underlined[_underlined_]non-underlined

non-underlined[_underlined_]non-underlined_]non-underlined

non-underlined[_underlined[_underlined_]non-underlined_]non-underlined

empty: [__]
