i think that will be 4公仔箱論壇" [/ O" P" B0 U' ^& E
if you list all the number from 1 to 10
( C* Q$ K6 |) U8 f0 j' q公仔箱論壇seperate them into 3 groups5.39.217.77! d! t6 ?7 Q( d8 v
from 1 to 4 has 2 numbers between them
; ~6 H' Z: h) U1 h9 C2 T5.39.217.77from 4 to 7 has 2 numbers between them公仔箱論壇4 |& _2 a) ?0 U: _
from 7 to 10 has 2 numbers between them
! `5 {3 Q- l& O- O+ U; h' @/ C& Hso if you ask 1/3 of 10公仔箱論壇: b: O( G* F8 b( \
that will be 4 |