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| 0001437749-12-002641-index.html | 2012-03-22 09:18:50 | |
| 0001437749-12-002641.txt | 2012-03-22 09:18:50 | |
| sigm20120321_8k.htm | 29276 | 2012-03-22 09:18:50 |
| sigm20120321_8kex99-1.htm | 492068 | 2012-03-22 09:18:50 |