Azuma

1.
/ l6 o0 s* s* ?, I9 r1-6 vs 7-12
' m4 w& f6 x) K2 r4 h; Kif 1-6 = 7-12     13 is fake- F: M6 l! q) D0 |! [
5 j5 t4 B, r' r% N) }; [1 g
if not 4 N# r  K' ]! d+ p* T
4 T5 |+ _2 B: ^: _' w$ P. w
Weight the 2 time , n% m+ x1 ?+ \

. b. ?4 H; u# f2 Q+ tSuppose 1-6> 7-12; j2 Q$ v9 R5 D, p0 h7 |& g
& T6 J0 _: @- O2 w
1-3 vs 4-6   u0 B& y0 Q# J* A0 B" Q: \
3 F: a! b, l! t4 P  I
Then Weight the Third5 m4 r5 Q2 T/ q7 ~7 F
3.
" j( |/ o* ^# b  _- o
" I" q. t9 _" g( ]Suppose 4-6 > 1-3& T5 ]) _; @% K7 i
5 R7 Q: J* X) l* a
Just like the first Step1 g& }+ Z& k4 v/ c6 r
# k) y3 b! r6 _5 T
4 vs 5
9 _- A$ i4 T4 V; `) D7 c4 T5 @% h2 v; L' {2 `1 e
if 4=5 6 is the fake one
7 c& s- x$ v. E, s3 {/ a1 G) X) n  ?, o
if 4>5  4 is the fake one
) g' k  Q+ L% J- d
$ C; p  \$ P4 \) C/ T( Y8 Y% Yand so on......................