In these positions from the Semi-Slav Defense there's always a question about how to develop the heavy pieces, since several configurations are possible, especially for the rooks. The most common development is with the queen on e7 and the rooks on c8 and d8, supporting a possible c6-c5.
1. g1f3  1... d7d5  2. e2e3  2... g8f6  3. c2c4  3... e7e6  4. b1c3  4... c7c6  5. b2b3  5... b8d7  6. c1b2  6... f8d6  7. d2d4  7... e8g8  8. f1e2  8... b7b6  9. e1g1  9... c8b7  10. d1c2 