Can you tell me how to combine multiple SpriteSheets of the same character?

[simfonija]

On Example this scenario:

1. walking animation (First SpriteSheet)
   and than
2. sit animation (Second SpriteSheet)
   and than
3. walking again (First SpriteSheet)
   and than
4. jump animation (Third SpriteSheet)

Thnx for great library!