int Y,X,T;char B[32][32],K[32][32],Ks[32],px[2048];
int tr(int x,int y){int i=0,d=0;
for(;B[x][y];i++){px[i*2]=x;px[i*2+1]=y;x+=(d==2)-(d==1);y+=(d==3)-(d==0);
d=(54202126527627840ll>>2*(d*7+B[x][y]))&3;
if(x==px[0]&&y==px[1])return i+1;
}return T;}
void m(int x,int y) {
int i,o,c=K[x][y],Bu=B[x][y-1],Bl=B[x-1][y];
if(y
>Y
){for(i
=0;i
<T
*2;i
++)printf("%d ",px
[i
]-1);exit(0);} o=((39>>Bu)&1?57:70)&((52>>Bl)&1?42:85);
if(x==X)o&=75;
if(y==Y)o&=39;
if(c==2)o&=96;
if(K[x][y-1]==2)o&=~64;
if(K[x-1][y]==2)o&=~32;
if(c==1)o&=Bu==3||Bu==4||Bl==2||Bl==4?0:30;
if(K[x][y-1]==1)o&=~6;
if(K[x-1][y]==1)o&=~10;
for(i=0;i<7;i++)if(o&(1<<i)){
B[x][y]=i;
if(c==2&&(i==5&&Bl!=5||i==6&&Bu!=6))K[x][y]=0;
T+=i&&!c;
if(i!=1||T==tr(x,y))x<X?m(x+1,y):m(1,y+1);
T-=i&&!c;
K[x][y]=c;}
B[x][y]=0;}
main
(){for(;gets(Ks
);Y
++)for(X
=0;Ks
[X
];X
++)T+=(K[X+1][Y+1]=Ks[X]=='w'?2:Ks[X]=='b')>0;
m(1,1);return 0;}
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
Li4uLi53LmIudy4uCnd3Li5iLi4uYi4uLgoudy4uLi4uYi4uLi4KLi4ud2J3dy4uYi5iCi4uLi5iLi4uLi4uLgp3LncuLi4uLi4uLi4KLi53Li4uLi4uYi5iCi4uLi4uYmIuLi4uLgouLi4uLmIuLi4uLncKdy53dy4uYi4uLi4uCi4uLncuLi4uLi53LgpiLi53Li4uLi5iLi4K
.....w.b.w..
ww..b...b...
.w.....b....
...wbww..b.b
....b.......
w.w.........
..w......b.b
.....bb.....
.....b.....w
w.ww..b.....
...w......w.
b..w.....b..