Completando Las Series 2

____________________ , ____________________ , ____________________ , 4 , ____________________ , 6 , ____________________ , 8 , ____________________ , 10 , ____________________ , 12 , ____________________ , ____________________ , ____________________ .

1 , ____________________ , 3 , ____________________ , 5 , ____________________ , 7 , ____________________ , ____________________ , ____________________ , 11 , ____________________ , 13 , ____________________ , 15 .

____________________ , 2 , ____________________ , 4 , ____________________ , ____________________ , ____________________ , 8 , ____________________ , 10 , ____________________ , ____________________ , ____________________ , 14 , ____________________ .