fib01 :: Int -> Int -> Int -> Int
-- testing 8 combinations of argument values
-- pruning with 6/10 rules
-- looking through 4 candidates of size 1
-- looking through 24 candidates of size 2
-- looking through 115 candidates of size 3
-- looking through 470 candidates of size 4
-- looking through 1657 candidates of size 5
-- tested 2270 candidates
cannot conjure
fib01 :: Int -> Int -> Int -> Int
-- testing 8 combinations of argument values
-- pruning with 18/37 rules
-- looking through 4 candidates of size 1
-- looking through 4 candidates of size 2
-- looking through 10 candidates of size 3
-- looking through 16 candidates of size 4
-- looking through 44 candidates of size 5
-- looking through 92 candidates of size 6
-- looking through 234 candidates of size 7
-- looking through 544 candidates of size 8
-- looking through 1332 candidates of size 9
-- looking through 7796 candidates of size 10
-- tested 10076 candidates
cannot conjure