04,05,06,07,10,11,13,14,17,21,23,24
27,29,31,32,33,34,35,36,39,45,46,48

02,05,06,07,09,10,11,12,13,20,21,22
24,26,28,32,33,37,39,40,42,45,46,49

01,05,06,08,13,14,15,21,23,24,26,27
30,31,32,36,37,39,42,43,44,46,47,48

01,03,05,06,07,09,11,12,13,14,17,19
20,21,22,25,30,31,36,39,40,41,46,49