⍚°$"_ to _ = _"&rl□&fo"i/09.in" # Starts Ends Costs ?
+⊸⍉⊂⊙0⬚0⌝⊡⊙⋕⍉⊟⍜⊂⊛               # AdjMatrix ?
⊃⊣⊢⍆≡/+⊡≡⧈⊂⧅≠∞°⊏

~/aoc15ua/09