Finches and bamboo

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Across
  1. 5. vitality
  2. 6. Fast-growing green plant
  3. 9. Horizontal roll
  4. 10. ink
  5. 11. handwriting
Down
  1. 1. Chinese bird
  2. 2. application of colors
  3. 3. dynasty 960-1272
  4. 4. Nature's laws
  5. 7. System of the Government officials
  6. 8. signature/stamp