Click FilePrint.

Choose the General tab.

Under Range, choose Pages.

Type the numbers of the pages in this order: 12, 1, 2, 11, 10, 3, 4, 9, 8, 5, 6, 7

Choose the Page Setup tab.

Under Layout, in the Two-side option, select Short Edge (Flip).

In the Pages per side option, select 2.

In the Page ordering menu, select Left to right.

Click Print.