4 c1440001 tttt c1440002 10 c1440003 tttttttttt c1440004 20 c1440005 tttttttttttttttttttt c1440006 3 c1440007 ttt c1440008 3 c1440009 ttt c1440010 4 c1440011 tttt c1440012 5 c1440013 ttttt c1440014 7 c1440015 ttttttt c1440016