Ok, I'll try this again. I have a series of conservative number:

0 -11 -2 0 17 -9 -5 9 4 -12 2 11 23 -29 -10 11 -8 0 1 8 -11 -1 8 -3 1

How do I find the next unknown number? It goes from 0 to 1. I need to find the number after 1.

thank you very much!!!

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