chirality/projections on the dat

[pmoney]

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What do the fischer projections look like on the dat?

I have been taking some of the topscore practice tests and invariably get all of them wrong because i can't even tell how to put the H (or the lowest group) in the back. Here are two examples, how do I properly rotate them?

the stereochemistry here is 2S,3S

here C is the right answer and is R, D is S

 

[levyusupov]

do the problems in the destroyer's orgo section that deal with projections, it will clear up things for u.