What is the maximum layer of VT you can create in a Final Cut Pro sequence?

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Well, I always love create many many layers while doing graphics effects for my video editing and packaging and there is one day, i finally reached the limit of adding layers in FCP! I started nesting the layers as I still need to create more space for adding another layer. What is the most number of layers you have used in FCP? Have you hit the maximum layer? If yes how many layers have you created?