Pdf Imposition in java

Hello, We need tool which will create imposition for 4X4 book. which is also called Cut & Stack Imposition. The first sheet will contain page no. 1, the second one will contain page no. 2 etc. After all sheets are done, the following page is placed on the next position on the first page and so on. When these sheets are printed blocks of pages are obtained and when these blocks are placed upon each other they are already in the right order and there is no need for further sorting BID only if you know about Imposition.