The driver for C# is broken
All submissions would get\n\n\nLine 22: Char 16: error CS0266: Cannot implicitly convert type \'System.Collections.Generic.IList<int[]>\' to \'System.Collection
All submissions would get\n\n```\nLine 22: Char 16: error CS0266: Cannot implicitly convert type \'System.Collections.Generic.IList<int[]>\' to \'System.Collections.Generic.IList<System.Collections.Generic.IList<int>>\'. An explicit conversion exists (are you missing a cast?) (in __Driver__.cs)\n```
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