Azuma

1.
" p7 d% @4 a  s2 o1-6 vs 7-12% I& M1 v" j4 U0 ~  x
if 1-6 = 7-12     13 is fake) e! r2 m0 ^7 v1 ^! \" j8 \/ c
3 O6 p: v9 e6 x& @$ S" b; }/ l
if not
0 S* U$ }) @$ a5 m, l+ @; ^( E9 Q+ ~. q1 K1 H
Weight the 2 time + o; g6 C3 R5 N& M$ j0 c# D5 i

8 E$ d/ P2 p( CSuppose 1-6> 7-123 x# L; p; p8 O2 Q2 x- c

% E  W- M5 v: ]9 k: L4 x2 }: w; [1-3 vs 4-6
0 D, E7 d  Z0 y' Z3 P+ ^, ^
6 k6 A* K% A6 I* s, s  SThen Weight the Third1 {) e7 G3 V! ~) E/ [
3.
1 L/ P& C$ N7 Y) H5 `7 }: R
6 f7 ^$ J/ v  \Suppose 4-6 > 1-3
/ l$ R" Y4 H% P/ u. M! V: z4 N  h7 C& f; Y4 q  w5 `' Y
Just like the first Step
8 g) Y% T/ q/ _( i7 X
; d9 Z- [; k% l/ \& K' Q& C4 vs 5 # {. X1 M  `5 D0 y

2 ^3 g: z. `: o$ E; gif 4=5 6 is the fake one 9 m; d$ z# A# o

- c4 y2 F* }2 Q, @if 4>5  4 is the fake one , G) O" Z2 ?/ Q. c! Q

" s9 V+ h! o  b$ t. ^+ Band so on......................