Sat, 17 Mar 2018 20:49:28 +0100 wenzelm output result messages;
Sat, 17 Mar 2018 20:35:23 +0100 wenzelm clarified signature;
Sat, 17 Mar 2018 20:32:39 +0100 wenzelm more position information;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip