04,05,20,22,23,27,28,30,31,34,38,42,43,44,45,48,70,80
03,04,05,11,17,18,19,20,24,25,26,32,50,51,55,69,74,79
01,08,12,14,29,33,34,39,41,48,49,55,56,57,59,62,73,76
07,14,22,25,26,28,33,42,43,45,47,49,54,63,66,75,79,80
04,08,12,18,19,20,22,23,27,29,36,40,42,43,59,64,70,79
01,06,11,23,28,32,34,37,41,50,51,57,58,59,69,72,73,79
08,09,10,13,14,26,31,32,37,43,44,45,56,58,64,74,75,79
06,10,19,23,31,34,36,38,44,46,50,51,56,66,70,76,77,78
04,10,15,16,18,21,28,29,34,41,44,51,53,56,59,61,67,71
06,07,13,14,20,21,24,37,41,42,48,57,59,61,62,66,67,79
15,17,21,24,31,32,40,42,49,51,52,57,63,64,72,74,77,79
02,11,12,14,17,27,28,37,50,51,53,57,61,69,71,73,76,78
03,04,06,07,11,19,26,30,31,38,48,56,62,63,72,77,79,80
01,15,18,19,30,34,41,44,45,46,49,51,56,68,73,77,78,79
03,07,08,13,16,17,23,25,37,38,41,54,55,60,75,78,79,80