An Efficient Structure for Sort In-breadth-first Recursion of Paths

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@@ -45,6 +45,9 @@ hardons of human sultans, human elite with no right at all to be where they
 are --"
                -- Thomas Pynchon, _Gravity's Rainbow_
 
+Logic doesn't apply to the real world.
+               -- Marvin Minsky
+
 How many Zen Buddhist does it take to change a light bulb?
 
 Two.  One to change it and one not to change it.