Wed, 21 Oct 2009 15:01:50 +0200 Cezary Kaliszyk Simplified proof more
Wed, 21 Oct 2009 14:30:29 +0200 Cezary Kaliszyk Cleaning the code
(0) -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 tip