Mon, 26 Aug 2019 18:40:17 +0300 alfadur implement moving between blocks
Mon, 26 Aug 2019 17:32:43 +0300 alfadur implement addition to/removal from blocks
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 tip