Soldiers after a battle

A Chinese general counts the number of surviving soldiers of a battle by aligning them successively in rows of certain sizes. Each time, he counts the number of remaining soldiers who failed to fill a row. The general initially had 1200 soldiers before the battle; after the battle

  • aligning them in rows of 5 soldiers leaves 3 remaining soldiers;
  • aligning them in rows of 6 soldiers leaves 3 remaining soldiers;
  • aligning them in rows of 7 soldiers leaves 1 remaining soldier;
  • aligning them in rows of 11 soldiers leaves 0 remaining soldiers.

How many soldiers survived the battle?

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