There aren't many puzzles in 007 First Light, so when you encounter one, it will definitely throw you off. A perfect example ...
assertEquals("(A,0)(B,1)(C,3)(D,10)(E,5)(F,4)",resultStr); * Case 2: Graph with one path Output: ('A', 0) ('B', 1) ('C', 3) ('D', 6) ('E', ...