UnrulyJuli3

// Pass in the number of pages in your document, e.g. 8

// The output is an array describing how to layout the pages for a booklet
// e.g. [8, 1, 2, 7, 6, 3, 4, 5]

// This means the front of your first sheet of paper
// should have pages 8 and 1 of your document side-by-side,
// then the back should have pages 2 and 7, then the front
// of your second sheet should have pages 6 and 3, etc.