Sat, 03 Nov 2018 02:31:21 +0300 swap coordinate system
alfadur [Sat, 03 Nov 2018 02:31:21 +0300] rev 14107
swap coordinate system
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 tip