easy latvb now,tvbnow,bttvb. }1 c5 I- \2 d# [- W
the last with has the number in form of 2^n and has the biggest n among alltvb now,tvbnow,bttvb# M7 [ \! ~ m; o
i.e 65536 = 2^16
easy la & j( c6 @+ |. othe last person must has the number in form of 2^n and has the biggest n among alltvb now,tvbnow,bttvb/ m4 X3 D' y# S* r8 C
i.e 65536 = 2^16