There are five W516 subsets:
1) W516-1-1: Handwritten information at bottom
2) W516-1-2: Same as W516-1-1, but with reversed images
3) W516-2-1: Typed information at bottom, different numbering than 516-1-1/516-1-2 and with reversed images from W516-2-3
4) W516-2-2: Handwritten information at bottom but with W516-2-1 numbering
5) W516-2-3: Typed information at bottom, same numbering as 516-2-1/516-2-2 with standard images (opposite of W516-2-1)