i think that will be 4
" m# F T0 T( _3 Wif you list all the number from 1 to 10
! `' a; Y5 F; q0 g5 u/ C6 xseperate them into 3 groups
0 A6 f L' p. k0 f B, v5.39.217.77:8898from 1 to 4 has 2 numbers between them
" s7 n- Q2 S, ?) a8 ]5.39.217.77:8898from 4 to 7 has 2 numbers between them
' Q$ B! k; E# g) d公仔箱論壇from 7 to 10 has 2 numbers between them
) o5 L8 ?/ I! bso if you ask 1/3 of 106 A+ ^6 |& r0 R; B# t
that will be 4 |