Tic Tac toe choice board

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Across
  1. 3. a piece of land almost surrounded by water or projecting out into a body of water
  2. 7. northeastern part of the Indian Ocean, bounded on the west and northwest by India
  3. 8. marginal sea of the Western Pacific Ocean. It is bounded in the north by the shores of South China
Down
  1. 1. desert in Southwest Xinjiang in Northwest China
  2. 2. marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula
  3. 4. trans-boundary river of Asia which flows through India and Bangladesh
  4. 5. third-largest of the world's five oceanic divisions
  5. 6. mountain range in Asia