×
Array
(
[fid] => 6728
[description] => 理论知识,玩法技巧,专业术语解释,迈向体育菠菜高手的摇篮!
[password] =>
[icon] => 7c/common_6728_icon.png
[redirect] =>
[attachextensions] =>
[creditspolicy] => Array
(
[digest] => Array
(
[usecustom] => 1
[cycletype] => 0
[cycletime] => 0
[rewardnum] => 1
[extcredits1] => 0
[extcredits2] => 0
[extcredits3] => 0
[extcredits4] => 0
[extcredits5] => 0
[extcredits6] => 0
[extcredits7] => 0
[extcredits8] => 0
[rid] => 3
[fid] => 6728
[rulename] => 加精华
[action] => digest
[fids] => 6966,6903,6944,6958,6929,6874,6894,6896,6885,6857,6868,555,6783,6799,6845,6895,6817,1111,6873,6870,6821,6951,6879,6876,6948,6904,6950,6956,6862,6886,6957,6779,6907,6855,6945,6952,6954,6955,6959,6914,6965,6971,6972,6960,6953,6942,6910,6949,6962,6963,6964,6927,6926,6973,6728
)
[post] => Array
(
[usecustom] => 1
[cycletype] => 1
[cycletime] => 0
[rewardnum] => 5
[extcredits1] => 0
[extcredits2] => 0
[extcredits3] => 0
[extcredits4] => 0
[extcredits6] => 0
[extcredits5] => 0
[extcredits7] => 0
[extcredits8] => 0
[rid] => 1
[fid] => 6728
[rulename] => 发表主题
[action] => post
[fids] => 32,52,67,447,1120,1151,1156,6750,6762,6763,6766,6769,6772,6773,6787,6796,6808,6809,6810,6813,6814,6820,6829,6830,6846,6856,6864,6865,6827,6930,6931,6776,6858,6880,6764,6932,6871,6758,6905,1116,6788,6812,6798,6736,6759,6842,6966,6767,6828,6924,6935,6936,6938,6940,6941,6826,6909,6803,6919,6911,6908,6881,6920,6912,6913,6921,6925,6922,6789,6818,6819,6872,6928,6866,6969,6891,6889,6888,6917,6939,6947,6961,6824,6815,6937,6943,6970,6869,1121,6934,6903,6974,6944,6958,6929,6874,6894,6765,6896,6885,6857,6868,1113,6778,56,6844,6878,6802,6933,6811,6923,6877,6875,6918,6892,6757,6832,6833,6836,6790,6838,6794,6791,6795,6793,6848,6837,6849,6850,6851,6852,6853,6854,6863,6882,6900,6902,555,6783,6799,6845,6895,6817,1111,6873,6870,6821,6951,6879,6876,6948,6904,6950,6956,6862,6886,6957,6779,6907,6855,6945,6952,6954,6955,6959,6914,6965,6971,6972,6960,6953,6942,6910,6949,6962,6963,6964,6927,6926,6973,6728
)
[reply] => Array
(
[usecustom] => 1
[cycletype] => 1
[cycletime] => 0
[rewardnum] => 0
[extcredits1] => 0
[extcredits2] => 0
[extcredits3] => 0
[extcredits4] => 0
[extcredits6] => 0
[extcredits5] => 0
[extcredits7] => 0
[extcredits8] => 0
[rid] => 2
[fid] => 6728
[rulename] => 发表回复
[action] => reply
[fids] => 32,52,67,447,1120,1151,1156,6750,6763,6766,6769,6772,6773,6787,6796,6808,6809,6810,6813,6814,6820,6829,6830,6846,6856,6864,6865,6827,6930,6931,6776,6858,6880,6764,6932,6871,6758,1116,6788,6812,6798,6736,6759,6842,6966,6767,6828,6924,6935,6936,6938,6940,6941,6826,6909,6803,6919,6911,6908,6881,6920,6912,6913,6921,6925,6922,6789,6818,6819,6872,6928,6866,6969,6891,6889,6888,6917,6939,6947,6961,6824,6815,6937,6943,6970,6869,1121,6934,6903,6974,6944,6958,6929,6874,6894,6765,6896,6885,6857,6868,1113,6778,56,6844,6878,6802,6933,6811,6923,6877,6875,6918,6892,6757,6832,6833,6836,6790,6838,6794,6791,6795,6793,6848,6837,6849,6850,6851,6852,6853,6854,6863,6900,6902,555,6783,6799,6845,6895,6817,1111,6873,6870,6821,6951,6879,6876,6948,6904,6950,6956,6862,6886,6957,6779,6907,6855,6945,6952,6954,6955,6959,6914,6965,6971,6972,6960,6953,6942,6910,6949,6962,6963,6964,6927,6926,6973,6728
)
)
[formulaperm] => a:5:{i:0;s:0:"";i:1;s:0:"";s:7:"message";s:0:"";s:5:"medal";N;s:5:"users";s:0:"";}
[moderators] =>
[rules] => 1)发布主题帖+1经验+1活跃币,回贴+10华小分
2)Lv.1及其以上级别会员可以发布主题帖,Lv.1及其以上会员可以回帖
4)转帖请在主题上标明
5)禁止发布与本版块无关的主题(违反,帖子转移到相关版块,并扣50经验)
6)禁止回复与主题无关的帖子(违反,帖子删除,并扣10经验)
[threadtypes] => Array
(
[required] => 1
[listable] => 1
[prefix] => 1
[types] => Array
(
[137] => 体育菠菜玩法规则
[138] => 体育菠菜心得方法
[139] => 体育菠菜问题咨询
)
[icons] => Array
(
[137] =>
[138] =>
[139] =>
)
[moderators] => Array
(
[137] =>
[138] =>
[139] =>
)
)
[threadsorts] => Array
(
)
[viewperm] => 9 26 22 11 12 13 14 15 27 43 44 60 61 62 63 64 19 31 67 68 69 73 75 76 81 83 84 87 89 90 91 33 38 57 58 65 66 74 77 79 80 85 86 1 2 3 7 8 92
[postperm] => 22 11 12 13 14 15 27 43 44 60 61 62 63 64 75 76 83 84 87 33 38 58 65 66 74 77 79 80 85 86 1 2 3 92
[replyperm] => 26 22 11 12 13 14 15 27 43 44 60 61 62 63 64 67 68 73 75 76 83 84 87 33 38 57 58 65 66 74 77 79 80 85 86 1 2 3 92
[getattachperm] => 26 22 11 12 13 14 15 27 43 44 60 61 62 63 64 67 68 73 75 76 83 84 87 33 38 57 58 65 66 74 77 79 80 85 86 1 2 3 92
[postattachperm] => 26 22 11 12 13 14 15 27 43 44 60 61 62 63 64 67 68 73 75 76 83 84 87 33 38 57 58 65 66 74 77 79 80 85 86 1 2 3 92
[postimageperm] => 26 22 11 12 13 14 15 27 43 44 60 61 62 63 64 67 68 73 75 76 83 84 87 33 38 57 58 65 66 74 77 79 80 85 86 1 2 3 92
[spviewperm] =>
[seotitle] =>
[keywords] => 足球,篮球,体育,规则,打法
[seodescription] => 理论知识,玩法技巧,专业术语解释,迈向体育菠菜高手的摇篮!<br /><a href="http://www.hrceluebbs.com/thread-51289-1-1.html" target="_blank"><font color="red">【体育菠菜新人必看】</font></a> <a href="http://www.hrceluebbs.com/forumdisplay.php?fid=6728&filter=type&typeid=33" target="_blank"><font color="red">【体育菠菜规则】</font></a> <a href="http://www.hrceluebbs.com/forumdisplay.php?fid=6728&filter=type&typeid=34" target="_blank"><font color="red">【体育菠菜心得】</font></a> <a href="http://www.hrceluebbs.com/forumdisplay.php?fid=6728&filter=type&typeid=100" target="_blank"><font color="red">【体育菠菜问题咨询】</font></a>
[supe_pushsetting] =>
[modrecommend] => Array
(
[open] => 0
[sort] => 0
[orderby] => 2
[num] => 10
[imagenum] => 5
[imagewidth] => 200
[imageheight] => 150
[maxlength] => 0
[cachelife] => 900
[dateline] => 0
)
[threadplugin] => Array
(
)
[replybg] =>
[extra] => a:2:{s:9:"namecolor";s:0:"";s:9:"iconwidth";s:2:"60";}
[jointype] => 0
[gviewperm] => 0
[membernum] => 0
[dateline] => 0
[lastupdate] => 0
[activity] => 0
[founderuid] => 0
[foundername] =>
[banner] =>
[groupnum] => 0
[commentitem] =>
[relatedgroup] =>
[picstyle] => 0
[widthauto] => 0
[noantitheft] => 0
[noforumhidewater] => 0
[noforumrecommend] => 0
[livetid] => 0
[price] => 0
[fup] => 6831
[type] => forum
[name] => 体育知识讲座
[status] => 1
[displayorder] => 5
[styleid] => 0
[threads] => 2735
[posts] => 23137
[todayposts] => 0
[yesterdayposts] => 0
[rank] => 111
[oldrank] => 111
[lastpost] => 1810237 信用网 1708809076 果果哥
[domain] =>
[allowsmilies] => 1
[allowhtml] => 1
[allowbbcode] => 1
[allowimgcode] => 1
[allowmediacode] => 0
[allowanonymous] => 0
[allowpostspecial] => 1
[allowspecialonly] => 0
[allowappend] => 0
[alloweditrules] => 0
[allowfeed] => 0
[allowside] => 0
[recyclebin] => 1
[modnewposts] => 2
[jammer] => 1
[disablewatermark] => 0
[inheritedmod] => 0
[autoclose] => 0
[forumcolumns] => 0
[catforumcolumns] => 0
[threadcaches] => 0
[alloweditpost] => 1
[simple] => 16
[modworks] => 1
[allowglobalstick] => 1
[level] => 0
[commoncredits] => 0
[archive] => 0
[recommend] => 0
[favtimes] => 0
[sharetimes] => 0
[disablethumb] => 0
[disablecollect] => 0
[ismoderator] => 0
[threadtableid] => 0
[allowreply] =>
[allowpost] =>
[allowpostattach] =>
)
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 2772 小时
本月在线: 0 分钟
|
|
一、我们先假设一个抽样数W={W(ij)|i,j∈N}, W(ij)就是比赛的进球结果,i,j分别表示主客队的进球数。
$ S7 A# l1 l: y9 q; g% O) e0 [那么,平局、主胜、客胜就有以下表达式:
: Q0 `" j* p1 o) ]& VA(d) = {W(ij)|i=j, i∈N, j∈N}
% l" V; ?9 S0 D3 [ m% g, A$ w AA(h) = {W(ij)|i>j, i∈N, j∈N}) C+ U% S7 D+ y: L/ V' D3 e/ S, V
A(a) = {W(ij)|i 接着我们引入一个符号P(i)表示平胜负的概率,P(Ai)∈[0,1]:
3 L4 D$ v) c! d' e5 YP(i)=P(Ai), i∈{0, 1, 2}6 o* r6 ~( j5 y% n9 y6 b0 b
二、首先来说说平手盘(即0:0Handicaps或我们经常在国外上看到的(Moneyline)% G' N1 e$ o& }9 [( m
假设b(h)表示主队的投注总数,b(a)表示客队的投注总数,那么投注主客队的回报总数额为:
) h; M" l: q: O! ^{b(h) , 即上面所述的A(d)结果发生
8 G$ n: R# W' K6 W1 jR(1)={O(h)*b(h),即上面所述的A(h)结果发生4 U7 K( b' E1 G* m- g/ W
{0 , 即上面所述的A(a)结果发生
7 Z1 E/ J' ?8 a% ] M以及! B& }& @7 K9 n4 V4 I
{b(a) , 即上面所述的A(d)结果发生
$ X- e, q/ ~$ [! e$ T9 ]+ ZR(2)={0, 即上面所述的A(h)结果发生
5 T$ b7 f0 n' `{O(a)*b(a),即上面所述的A(a)结果发生
% f. @1 x; N, P0 n* v" ` e如果O(h)表示平手盘下的主队赔率,O(a)表示平手盘下的客队赔率
1 K7 T+ B4 l& u6 {那么投注主客的期望回报总数分别为& X V, t: ]- _
E[R(1)]=P(d)*b(h)+P(h)*O(h)*b(h)=b(h)*[P(d)+p(h)O(h)]
- ]) A( {; ^: V" w& PE[R(2)]=P(d)*b(a)+P(a)*O(a)*b(a)=b(a)*[P(d)+p(a)O(a)]
9 @1 L2 |2 h$ U# t按照真实赔率(暂不包含庄家优势),我们可以认为实际投注回报与期望投注回报相等
; L: O! L) P, n5 gE[R(1)]=b(h)*[P(d)+p(h)O(h)]=b(h)2 @ L; \/ n, w
P(d)+p(h)O(h)=1
4 x, v* m- L( B1 b( n2 JO(h)=(1-P(d))/P(h)-----这里就得出平手盘下计算主队赔率的公式# l* j! [0 ?' P# J
E[R(2)]=b(a)*[P(d)+p(a)O(a)]=b(a)
" V2 V( Q4 n( H8 L: _/ s! r" ~# t% [P(d)+p(a)O(a)=1! L, A I F' C; {
O(a)=(1-P(d))/P(a)-----这里就得出平手盘下计算客队赔率的公式
) u+ G$ y; n- H& a; a2 [# T/ B/ c在极端情况下,可以认为平手盘亚洲赔率(或moneyline),就是在不发生平局结果条件下(就是公式中P(d)=0),主胜客胜概率的倒数
! l6 ~' q Z$ J/ W三、半球盘的计算描述
2 f/ b6 F4 N/ w( H接着我们来看看主队(HOME TEAM)受半球(1/2:0 Handicaps的情况)/ y6 R6 a. y$ M+ g, b$ v7 C
还是假设b(h)表示主队的投注总数,b(a)表示客队的投注总数,那么投注主客队的回报总数额为:% M( U( s4 J1 r/ R0 S$ L9 r
{O(h)*b(h),即上面所述的A(d)结果发生
# j8 P4 g, a: z) I, Q$ `3 S. ]4 c# f, cR(1)={O(h)*b(h),即上面所述的A(h)结果发生
1 { l2 N' ~$ o7 B9 X( c4 j5 p" c0 z& I{0 , 即上面所述的A(a)结果发生
( t* N3 E5 i9 n/ `# U0 X以及, c: W/ S: G+ N# L! \; E+ Y
{0 , 即上面所述的A(d)结果发生+ t D& M5 T9 h5 H9 l& \
R(2)={0, 即上面所述的A(h)结果发生
$ _" f" ?: q, y8 ^) X& n# f: z1 \{O(a)*b(a),即上面所述的A(a)结果发生. b/ Y I9 s* S/ u( n
如果O(h)表示受半球盘下的主队赔率,O(a)表示客队赔率& V; a& o/ D- y$ C
投注主客的期望回报总数分别为
_ T% W* L. y; Z/ F6 ^E[R(1)]=P(d)*O(h)*b(h)+P(h)*O(h)*b(h)=b(h)*O(h)*[P(d)+p(h)]
3 Z" X* F' M8 f( f. wE[R(2)]=P(a)*O(a)*b(a)
1 x) @& J! c; `假设实际投注回报与期望投注回报相等
! A! Q/ O" V: t5 X% g) ZE[R(1)]=b(h)*O(h)*[P(d)+p(h)]=b(h)3 @0 S7 o+ f" }! v2 p
O(h)*[P(d)+p(h)]=10 g) ~+ }( |% Q# v
O(h)=1/[P(d)+p(h)]2 d& m, }- q0 Y) [: b/ D
E[R(2)]=P(a)*O(a)*b(a)=b(a)
. g6 p9 T0 |0 O- R8 {' ]/ ^P(a)*O(a)=1& ^0 @7 Q5 `; @' {" U, t Y
O(a)=1/P(a)
, e' b! N5 M% j, T同样道理可以计算让半球(0:1/2 Handicaps)的亚洲盘赔率, m7 X4 s( W7 T4 _
O(h)=1/p(h)9 k2 Q1 u4 V* u' H$ X# V5 g2 ~) l" c
O(a)=1/[P(d)+p(a)]
+ i- O$ e3 A" s8 d: q9 G/ j/ O四、平半球盘的计算描述
5 z/ e0 b2 B; q2 X! i这个稍复杂一点; r l& W) i5 C$ f, U! H
接着我们来看看主队(HOME TEAM)受平半球(1/4:0 Handicaps的情况)
/ ] J( s3 m# ~还是假设b(h)表示主队的投注总数,b(a)表示客队的投注总数,那么投注主客队的回报总数额计算:1 Q# i: R, F+ ^
{[O(h)+1]/2×b(h), 即上面所述的A(d)结果发生
! z% u7 |) u1 s1 {& }R(1)={O(h)*b(h), 即上面所述的A(h)结果发生
1 x6 h1 U* i) }{0, 即上面所述的A(a)结果发生
" D$ @1 f) ^2 i5 D$ `* t以及% f# E& s O- l" H g4 m
{1/2×b(a) , 即上面所述的A(d)结果发生
& z& z" O( p6 r- DR(2)={0, 即上面所述的A(h)结果发生- c# ~) a7 J" c# v
{O(a)*b(a), 即上面所述的A(a)结果发生
. ^" j" [2 H' ~' S k" v- e( _投注主客的期望回报总数分别为( H, s6 r* p! e; B( J9 Z* g R5 `
E[R(1)]=P(d)×{[O(h)+1]/2}×b(h)+P(h)×O(h)×b(h)=b(h)*(P(d)×{[O(h)+1]/2}+P(h)×O(h))# N: _( e. S+ S" G. H
E[R(2)]=1/2×b(a)×P(d)+P(a)*O(a)*b(a)=b(a)*[1/2×P(d)+P(a)*O(a)]
& W* ^, q6 p3 l和上面计算过程相似,得出:( U. |. F9 N( ?" ?2 J* `
E[R(1)]=b(h)*(P(d)×{[O(h)+1]/2}+P(h)×O(h))=b(h)
9 G, c. x$ z" B; p# CP(d)×{[O(h)+1]/2}+P(h)×O(h)=1
( i# M' P0 r0 t9 O4 {/ JO(h)*[1/2*P(d)+P(h)]+1/2*P(d)=1
4 R0 p1 w# S7 H: {* JO(h)=[1-1/2*P(d)]/[1/2*P(d)+P(h)]=(1-P(d)/2)/(P(d)/2+P(h)) v7 u( @% v/ c+ R) q' z
E[R(2)]=b(a)*[1/2×P(d)+P(a)*O(a)]=b(a)
4 c1 D" d' O, u5 Z- }* j1/2×P(d)+P(a)*O(a)=1& o! ` d, b4 u0 B7 p5 l1 k
O(a)=[1-1/2×P(d)]/P(a)=(1-P(d)/2)/P(a)
' o4 ^/ o* I/ a# W- M- Y1 v( ?同样主队让平半就分别是
; F6 k% l, r3 E! e! g# cO(h)=(1-P(d)/2)/P(h)) F7 @+ j9 I5 I& t1 w" s$ p
O(a)=(1-P(d)/2)/(P(d)/2+P(a)): H. _! w: o+ T( l$ m" O. [% ]; X/ o
五、一球、两球等整数盘(这里先暂时说主队让1球的情况,0:1,Handicaps,其它可以类推的)1 Q: a2 V1 ?$ }# y! f) z) Q
可以采用类似公式,在(一)中我们分别用A(d)、A(h)、A(a)描述平局、主胜、客胜事件的发生。现在改用另外的符号代替,如B(d)、B(h)、B(a),同时除了平、胜、负概率P(i)(i=d,h,a)外,还需要引入一个一个概率值P(hX)来代表主队赢一球(X=1)、二球(X=2)...的概率,下面来进行演算8 `& L/ E# E6 y2 S% F$ z
B(d) = {W(ij)|i=j+k, i∈N, j∈N,k∈N}4 x1 B* s R6 R+ l! W% N
B(h) = {W(ij)|i>j+k, i∈N, j∈N,k∈N}( \# `- k% A9 n+ a. n
B(a) = {W(ij)|i i,j分别表示主客队的进球数,k代表让球数3 {* f$ B+ g* w; i x. e/ r
接着,假设b(h)表示主队的投注总数,b(a)表示客队的投注总数,那么投注主客队的回报总数额为:2 x9 r4 p+ D5 g* m# i8 I
{b(h)*O(h) , 即上面所述的B(d)结果发生
+ k+ `3 @7 N! x8 D$ H# \. X' r4 vR(1)={b(h)-O(h)*b(h),即上面所述的B(h)结果发生
, D8 v) D" C1 H) v{0 , 即上面所述的B(a)结果发生: o, _+ Y; b1 e4 c# W
以及
* R2 d, }) s/ m" I+ r{b(a) , 即上面所述的B(d)结果发生
: n1 S* w; A% X( w. z+ KR(2)={0, 即上面所述的B(h)结果发生/ m: f- z5 {& ~7 Z! o# Z& {, X
{O(a)*b(a),即上面所述的B(a)结果发生
2 @: Z( m. T* y投注主客的期望回报总数分别为
% i, F3 C% x, \& G% o ]8 k& \E[R(1)]=P(h)*b(h)*O(h)+P(h1)*(b(h)-O(h)*b(h))=b(h)*[P(h)*O(h)+P(h1)-P(h1)*O(h)]
) I0 q. ?) X( a( v- ~, ^! zE[R(2)]=P(h1)*b(a)+(1-P(h))*O(a)*b(a)=b(a)*(P(h1)+O(a)-P(h)*O(a))
% m. P: n: e; z假设实际投注回报与期望投注回报相等
$ x6 p1 A" r6 i% ]* S) dE[R(1)]=b(h)*[P(h)*O(h)+P(h1)-P(h1)*O(h)]=b(h)6 m1 s# \) C! H4 x
P(h)*O(h)+P(h1)-P(h1)*O(h)=1) ?1 B7 W- m+ _. I( c2 |9 c9 t/ t$ [
O(h)*(P(h)-P(h1))=1-P(h1)* ?6 I9 q8 e8 @+ N
O(h)=(1-P(h1))/(P(h)-P(h1))
9 ?0 @6 Y; B/ ^' i- _# W- U% _E[R(2)]=b(a)*(P(h1)+O(a)-P(h)*O(a))=b(a)6 q( G) x+ r& Y+ y7 N
P(h1)+O(a)-P(h)*O(a)=1' G0 e- B8 _0 p6 ~
O(a)*(1-P(h))=1-P(h1)& O3 q# s! D* m+ `! T
O(a)=(1-P(h1))/(1-P(h))
a2 i6 J$ s3 P: d& |以上(五)部分是让一球的情况,让两球以上整数盘和反过来受让整数盘是可以同样演算的。
: Z3 U: h! A d9 n( S% C6 a4 L简单小结一球或整数盘,其实理论的演算过程不难,但是如何准确计算赢整数球的概率(P(hi)就是其中的难点,这已经涉及到如何用相对动态实力差或球差来计算各种赢球概率(是指赢1、2、3...球的概率,也可以说是赢球比分概率)的问题,使用自己数据模型里的数据来计算。 |
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 7811 小时
本月在线: 3 小时
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 59 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 91 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 105 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 1426 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 1116 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 分钟
本月在线: 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 4842 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 6295 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 5136 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|
当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 1814 小时
本月在线: 0 分钟
|
|
|
|
|
|
|
|