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6XMVEBZAMRKHRYLFMJ6ZNSBM5ZXPTPK4YS4QUNGGPPUS4HLPO6GAC
data ListMaybe a = ListMaybe Int [(a, [a], Int)]
import Numeric.Naturaldata ListMaybe a = ListMaybe Natural [(a, [a], Natural)]
import Numeric.Natural
data ListMaybe a = ListMaybe Natural [(a, [a], Natural)]