Mon, 20 Dec 2010 09:48:16 -0800 simplify proofs
huffman [Mon, 20 Dec 2010 09:48:16 -0800] rev 41323
simplify proofs
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip