Complex sentence: The twenty hole Haig Point Golf Course is designed to be played as two separate 18 hole courses, one easy, one difficult with two extra "easy" par threes and many holes have two sets of tees.
Split into simpler sentences: The twenty hole Haig Point Golf Course is designed to be played as two separate 18 hole courses, one easy, one difficult. The difficilt course has two extra "easy" par threes and many holes have two sets of tees.