[IQ題] 2 Math related IQ problems

orotot

I just read these last week.  I hope these are new in here.
5 i6 O/ E0 Y2 F6 d0 n! v6 a7 o公仔箱論壇tvb now,tvbnow,bttvb8 |, O% B$ k1 B. ?6 G- J
#1)  What is the next sequence?os.tvboxnow.com2 e( F' e$ f4 w# M* T

% Y% V* T0 Y6 a6 f5 }tvb now,tvbnow,bttvb     1, 11, 21, 1211, 111221,  ????
8 `7 P& ~1 `1 W公仔箱論壇
  z8 y! D  d- f- N3 B  W, ~4 Bos.tvboxnow.com#2)
+ C3 i  k  Z; ?; i, _2 Sos.tvboxnow.com9 N( j3 u4 P+ p2 D* x. O- [0 X
     3129 = 1
& |: {1 }$ I$ P5 }5 T+ `os.tvboxnow.com     2581 = 2
5 k0 [/ Q7 ?# z( }1 x     1111 = 0
4 Q8 t  n! Z% D% o. Q公仔箱論壇     5983 = 3
) i+ T& d( y$ G8 m/ qtvb now,tvbnow,bttvb     6730 = 2
. j5 f9 }! P' J- \4 w2 s5 R公仔箱論壇     9735 = 1+ T  K6 L0 u2 o$ Y( X9 \
     6666 = 4tvb now,tvbnow,bttvb/ u) F! i( i+ K
     8136 = ?* x, Q$ x; s& F/ Y3 _* D6 L
公仔箱論壇/ h; R5 o; }: G5 M7 {9 h& E' ~
tvb now,tvbnow,bttvb( l: w  L( l; f5 L
Enjoy...
2 w' c. L+ a0 Etvb now,tvbnow,bttvb
8 k" F1 v# I% P. z+ s3 ?) b+ TAnswer will be posted 4/15