07,09,18,19,20,26,30,36,37,38
01,04,07,10,17,18,19,29,31,39
02,05,15,16,29,31,41,42,47,49
03,14,23,25,28,37,43,44,46,49
02,05,08,10,13,19,27,30,33,37
01,02,03,09,12,17,20,36,41,43