Answers

2016-01-11T20:16:52+08:00
There gaps are only 8.... so you'll add 8.. 10,18,26,34,42,50,58,64,72,80.....

yun lan :)
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2016-01-11T20:22:40+08:00
N + 8 (I guess) ....
I hope it help tho. ☺
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