Răspuns :
70,76,44,54,66 regula 6,8,10,12.....
21,29,37,45,53 regula din 8 in8
18,24,20,26,22,28,24,30, adaugi6 apoi scazi4
21,29,37,45,53 regula din 8 in8
18,24,20,26,22,28,24,30, adaugi6 apoi scazi4