Merge Overlaps Example: [][2]int{{1, 10}, {3, 5}, {4, 5}, {14, 20}} || \/ [][2]int{{1,10},{14,20}} [][2]int{{0, 10}, {3, 5}, {4, 15}, {14, 50}, {51, 77}} || \/ [][2]int{{0,50},{51,77}}