111111xxx2xx2 111111x2x2xx2 11111x1xx2xx2 11111x12x2xx2 11111xxx12xx2 11111xx212xx2 111x111xx2xx2 111x1112x2xx2 111x11x1x2xx2 111x11xx12xx2 111x11xxxx1x2 111x11xxxxx12 111x11xxx21xx 111x11xxx21x2 111x11xxx2x1x 111x11xxx2x12 111x11xxx2xx2 111x11x212xx2 111x11x2xx1x2 111x11x2xxx12 111x11x2x21xx 111x11x2x21x2 111x11x2x2x1x 111x11x2x2x12 111x11x2x2xx2 111x1x11x2xx2 111x1x1x12xx2 111x1x1xxx1x2 111x1x1xxxx12 111x1x1xx21xx 111x1x1xx21x2 111x1x1xx2x1x! 111x1x1xx2x12" 111x1x1xx2xx2# 111x1x1212xx2$ 111x1x12xx1x2% 111x1x12xxx12& 111x1x12x21xx' 111x1x12x21x2( 111x1x12x2x1x) 111x1x12x2x12* 111x1x12x2xx2+ 111x1xx112xx2, 111x1xxx1x1x2- 111x1xxx1xx12. 111x1xxx121xx/ 111x1xxx121x20 111x1xxx12x1x1 111x1xxx12x122 111x1xxx12xx23 111x1xx21x1x24 111x1xx21xx125 111x1xx2121xx6 111x1xx2121x27 111x1xx212x1x8 111x1xx212x129 111x1xx212xx2: 11x1111xx2xx2; 11x11112x2xx2< 11x111x1x2xx2= 11x111xx12xx2> 11x111xxxx1x2? 11x111xxxxx12@ 11x111xxx21xxA 11x111xxx21x2B 11x111xxx2x1xC 11x111xxx2x12D 11x111xxx2xx2E 11x111x212xx2F 11x111x2xx1x2G 11x111x2xxx12H 11x111x2x21xxI 11x111x2x21x2J 11x111x2x2x1xK 11x111x2x2x12L 11x111x2x2xx2M 11x11x11x2xx2N 11x11x1x12xx2O 11x11x1xxx1x2P 11x11x1xxxx12Q 11x11x1xx21xxR 11x11x1xx21x2S 11x11x1xx2x1xT 11x11x1xx2x12U 11x11x1xx2xx2V 11x11x1212xx2W 11x11x12xx1x2X 11x11x12xxx12Y 11x11x12x21xxZ 11x11x12x21x2[ 11x11x12x2x1x\ 11x11x12x2x12] 11x11x12x2xx2^ 11x11xx112xx2_ 11x11xxx1x1x2` 11x11xxx1xx12a 11x11xxx121xxb 11x11xxx121x2c 11x11xxx12x1xd 11x11xxx12x12e 11x11xxx12xx2f 11x11xx21x1x2g 11x11xx21xx12h 11x11xx2121xxi 11x11xx2121x2j 11x11xx212x1xk 11x11xx212x12l 11x11xx212xx2m 11xx1111x2xx2n 11xx111x12xx2o 11xx111xxx1x2p 11xx111xxxx12q 11xx111xx21xxr 11xx111xx21x2s 11xx111xx2x1xt 11xx111xx2x12u 11xx111xx2xx2v 11xx111212xx2w 11xx1112xx1x2x 11xx1112xxx12y 11xx1112x21xxz 11xx1112x21x2{ 11xx1112x2x1x| 11xx1112x2x12} 11xx1112x2xx2~ 11xx11x112xx2 11xx11x1xx1x2 11xx11x1xxx12 11xx11x1x21xx 11xx11x1x21x2 11xx11x1x2x1x 11xx11x1x2x12 11xx11x1x2xx2 11xx11xx1x1x2 11xx11xx1xx12 11xx11xx121xx 11xx11xx121x2 11xx11xx12x1x 11xx11xx12x12 11xx11xx12xx2 11xx11xxxx11x 11xx11xxxx112 11xx11xxxx1x2 11xx11xxxxx12 11xx11xxx211x 11xx11xxx2112 11xx11xxx21xx 11xx11xxx21x2 11xx11xxx2x1x 11xx11xxx2x12 11xx11x21x1x2 11xx11x21xx12 11xx11x2121xx 11xx11x2121x2 11xx11x212x1x 11xx11x212x12 11xx11x212xx2 11xx11x2xx11x 11xx11x2xx112 11xx11x2xx1x2 11xx11x2xxx12 11xx11x2x211x 11xx11x2x2112 11xx11x2x21xx 11xx11x2x21x2 11xx11x2x2x1x 11xx11x2x2x12 11xx1x1112xx2 11xx1x11xx1x2 11xx1x11xxx12 11xx1x11x21xx 11xx1x11x21x2 11xx1x11x2x1x 11xx1x11x2x12 11xx1x11x2xx2 11xx1x1x1x1x2 11xx1x1x1xx12 11xx1x1x121xx 11xx1x1x121x2 11xx1x1x12x1x 11xx1x1x12x12 11xx1x1x12xx2 11xx1x1xxx11x 11xx1x1xxx112 11xx1x1xxx1x2 11xx1x1xxxx12 11xx1x1xx211x 11xx1x1xx2112 11xx1x1xx21xx 11xx1x1xx21x2 11xx1x1xx2x1x 11xx1x1xx2x12 11xx1x121x1x2 11xx1x121xx12 11xx1x12121xx 11xx1x12121x2 11xx1x1212x1x 11xx1x1212x12 11xx1x1212xx2 11xx1x12xx11x 11xx1x12xx112 11xx1x12xx1x2 11xx1x12xxx12 11xx1x12x211x 11xx1x12x2112 11xx1x12x21xx 11xx1x12x21x2 11xx1x12x2x1x 11xx1x12x2x12 11xx1xx11x1x2 11xx1xx11xx12 11xx1xx1121xx 11xx1xx1121x2 11xx1xx112x1x 11xx1xx112x12 11xx1xx112xx2 11xx1xxx1x11x 11xx1xxx1x112 11xx1xxx1x1x2 11xx1xxx1xx12 11xx1xxx1211x 11xx1xxx12112 11xx1xxx121xx 11xx1xxx121x2 11xx1xxx12x1x 11xx1xxx12x12 11xx1xx21x11x 11xx1xx21x112 11xx1xx21x1x2 11xx1xx21xx12 11xx1xx21211x 11xx1xx212112 11xx1xx2121xx 11xx1xx2121x2 11xx1xx212x1x 11xx1xx212x12 1x11111xx2xx2 1x111112x2xx2 1x1111x1x2xx2 1x1111xx12xx2 1x1111xxxx1x2 1x1111xxxxx12 1x1111xxx21xx 1x1111xxx21x2 1x1111xxx2x1x 1x1111xxx2x12 1x1111xxx2xx2 1x1111x212xx2 1x1111x2xx1x2 1x1111x2xxx12 1x1111x2x21xx 1x1111x2x21x2 1x1111x2x2x1x 1x1111x2x2x12 1x1111x2x2xx2 1x111x11x2xx2 1x111x1x12xx2 1x111x1xxx1x2 1x111x1xxxx12 1x111x1xx21xx 1x111x1xx21x2 1x111x1xx2x1x 1x111x1xx2x12 1x111x1xx2xx2  1x111x1212xx2  1x111x12xx1x2  1x111x12xxx12  1x111x12x21xx  1x111x12x21x2 1x111x12x2x1x 1x111x12x2x12 1x111x12x2xx2 1x111xx112xx2 1x111xxx1x1x2 1x111xxx1xx12 1x111xxx121xx 1x111xxx121x2 1x111xxx12x1x 1x111xxx12x12 1x111xxx12xx2 1x111xx21x1x2 1x111xx21xx12 1x111xx2121xx 1x111xx2121x2 1x111xx212x1x 1x111xx212x12 1x111xx212xx2  1x1x1111x2xx2! 1x1x111x12xx2" 1x1x111xxx1x2# 1x1x111xxxx12$ 1x1x111xx21xx% 1x1x111xx21x2& 1x1x111xx2x1x' 1x1x111xx2x12( 1x1x111xx2xx2) 1x1x111212xx2* 1x1x1112xx1x2+ 1x1x1112xxx12, 1x1x1112x21xx- 1x1x1112x21x2. 1x1x1112x2x1x/ 1x1x1112x2x120 1x1x1112x2xx21 1x1x11x112xx22 1x1x11x1xx1x23 1x1x11x1xxx124 1x1x11x1x21xx5 1x1x11x1x21x26 1x1x11x1x2x1x7 1x1x11x1x2x128 1x1x11x1x2xx29 1x1x11xx1x1x2: 1x1x11xx1xx12; 1x1x11xx121xx< 1x1x11xx121x2= 1x1x11xx12x1x> 1x1x11xx12x12? 1x1x11xx12xx2@ 1x1x11xxxx11xA 1x1x11xxxx112B 1x1x11xxxx1x2C 1x1x11xxxxx12D 1x1x11xxx211xE 1x1x11xxx2112F 1x1x11xxx21xxG 1x1x11xxx21x2H 1x1x11xxx2x1xI 1x1x11xxx2x12J 1x1x11x21x1x2K 1x1x11x21xx12L 1x1x11x2121xxM 1x1x11x2121x2N 1x1x11x212x1xO 1x1x11x212x12P 1x1x11x212xx2Q 1x1x11x2xx11xR 1x1x11x2xx112S 1x1x11x2xx1x2T 1x1x11x2xxx12U 1x1x11x2x211xV 1x1x11x2x2112W 1x1x11x2x21xxX 1x1x11x2x21x2Y 1x1x11x2x2x1xZ 1x1x11x2x2x12[ 1x1x1x1112xx2\ 1x1x1x11xx1x2] 1x1x1x11xxx12^ 1x1x1x11x21xx_ 1x1x1x11x21x2` 1x1x1x11x2x1xa 1x1x1x11x2x12b 1x1x1x11x2xx2c 1x1x1x1x1x1x2d 1x1x1x1x1xx12e 1x1x1x1x121xxf 1x1x1x1x121x2g 1x1x1x1x12x1xh 1x1x1x1x12x12i 1x1x1x1x12xx2j 1x1x1x1xxx11xk 1x1x1x1xxx112l 1x1x1x1xxx1x2m 1x1x1x1xxxx12n 1x1x1x1xx211xo 1x1x1x1xx2112p 1x1x1x1xx21xxq 1x1x1x1xx21x2r 1x1x1x1xx2x1xs 1x1x1x1xx2x12t 1x1x1x121x1x2u 1x1x1x121xx12v 1x1x1x12121xxw 1x1x1x12121x2x 1x1x1x1212x1xy 1x1x1x1212x12z 1x1x1x1212xx2{ 1x1x1x12xx11x| 1x1x1x12xx112} 1x1x1x12xx1x2~ 1x1x1x12xxx12 1x1x1x12x211x 1x1x1x12x2112 1x1x1x12x21xx 1x1x1x12x21x2 1x1x1x12x2x1x 1x1x1x12x2x12 1x1x1xx11x1x2 1x1x1xx11xx12 1x1x1xx1121xx 1x1x1xx1121x2 1x1x1xx112x1x 1x1x1xx112x12 1x1x1xx112xx2 1x1x1xxx1x11x 1x1x1xxx1x112 1x1x1xxx1x1x2 1x1x1xxx1xx12 1x1x1xxx1211x 1x1x1xxx12112 1x1x1xxx121xx 1x1x1xxx121x2 1x1x1xxx12x1x 1x1x1xxx12x12 1x1x1xx21x11x 1x1x1xx21x112 1x1x1xx21x1x2 1x1x1xx21xx12 1x1x1xx21211x 1x1x1xx212112 1x1x1xx2121xx 1x1x1xx2121x2 1x1x1xx212x1x 1x1x1xx212x12 1xx11111x2xx2 1xx1111x12xx2 1xx1111xxx1x2 1xx1111xxxx12 1xx1111xx21xx 1xx1111xx21x2 1xx1111xx2x1x 1xx1111xx2x12 1xx1111xx2xx2 1xx1111212xx2 1xx11112xx1x2 1xx11112xxx12 1xx11112x21xx 1xx11112x21x2 1xx11112x2x1x 1xx11112x2x12 1xx11112x2xx2 1xx111x112xx2 1xx111x1xx1x2 1xx111x1xxx12 1xx111x1x21xx 1xx111x1x21x2 1xx111x1x2x1x 1xx111x1x2x12 1xx111x1x2xx2 1xx111xx1x1x2 1xx111xx1xx12 1xx111xx121xx 1xx111xx121x2 1xx111xx12x1x 1xx111xx12x12 1xx111xx12xx2 1xx111xxxx11x 1xx111xxxx112 1xx111xxxx1x2 1xx111xxxxx12 1xx111xxx211x 1xx111xxx2112 1xx111xxx21xx 1xx111xxx21x2 1xx111xxx2x1x 1xx111xxx2x12 1xx111x21x1x2 1xx111x21xx12 1xx111x2121xx 1xx111x2121x2 1xx111x212x1x 1xx111x212x12 1xx111x212xx2 1xx111x2xx11x 1xx111x2xx112 1xx111x2xx1x2 1xx111x2xxx12 1xx111x2x211x 1xx111x2x2112 1xx111x2x21xx 1xx111x2x21x2 1xx111x2x2x1x 1xx111x2x2x12 1xx11x1112xx2 1xx11x11xx1x2 1xx11x11xxx12 1xx11x11x21xx 1xx11x11x21x2 1xx11x11x2x1x 1xx11x11x2x12 1xx11x11x2xx2 1xx11x1x1x1x2 1xx11x1x1xx12 1xx11x1x121xx 1xx11x1x121x2 1xx11x1x12x1x 1xx11x1x12x12 1xx11x1x12xx2 1xx11x1xxx11x 1xx11x1xxx112 1xx11x1xxx1x2 1xx11x1xxxx12 1xx11x1xx211x 1xx11x1xx2112 1xx11x1xx21xx 1xx11x1xx21x2 1xx11x1xx2x1x 1xx11x1xx2x12 1xx11x121x1x2 1xx11x121xx12 1xx11x12121xx 1xx11x12121x2 1xx11x1212x1x 1xx11x1212x12 1xx11x1212xx2 1xx11x12xx11x 1xx11x12xx112 1xx11x12xx1x2 1xx11x12xxx12 1xx11x12x211x 1xx11x12x2112 1xx11x12x21xx 1xx11x12x21x2 1xx11x12x2x1x 1xx11x12x2x12 1xx11xx11x1x2 1xx11xx11xx12 1xx11xx1121xx 1xx11xx1121x2  1xx11xx112x1x  1xx11xx112x12  1xx11xx112xx2  1xx11xxx1x11x  1xx11xxx1x112 1xx11xxx1x1x2 1xx11xxx1xx12 1xx11xxx1211x 1xx11xxx12112 1xx11xxx121xx 1xx11xxx121x2 1xx11xxx12x1x 1xx11xxx12x12 1xx11xx21x11x 1xx11xx21x112 1xx11xx21x1x2 1xx11xx21xx12 1xx11xx21211x 1xx11xx212112 1xx11xx2121xx 1xx11xx2121x2 1xx11xx212x1x 1xx11xx212x12  x111111xx2xx2! x1111112x2xx2" x11111x1x2xx2# x11111xx12xx2$ x11111xxxx1x2% x11111xxxxx12& x11111xxx21xx' x11111xxx21x2( x11111xxx2x1x) x11111xxx2x12* x11111xxx2xx2+ x11111x212xx2, x11111x2xx1x2- x11111x2xxx12. x11111x2x21xx/ x11111x2x21x20 x11111x2x2x1x1 x11111x2x2x122 x11111x2x2xx23 x1111x11x2xx24 x1111x1x12xx25 x1111x1xxx1x26 x1111x1xxxx127 x1111x1xx21xx8 x1111x1xx21x29 x1111x1xx2x1x: x1111x1xx2x12; x1111x1xx2xx2< x1111x1212xx2= x1111x12xx1x2> x1111x12xxx12? x1111x12x21xx@ x1111x12x21x2A x1111x12x2x1xB x1111x12x2x12C x1111x12x2xx2D x1111xx112xx2E x1111xxx1x1x2F x1111xxx1xx12G x1111xxx121xxH x1111xxx121x2I x1111xxx12x1xJ x1111xxx12x12K x1111xxx12xx2L x1111xx21x1x2M x1111xx21xx12N x1111xx2121xxO x1111xx2121x2P x1111xx212x1xQ x1111xx212x12R x1111xx212xx2S x11x1111x2xx2T x11x111x12xx2U x11x111xxx1x2V x11x111xxxx12W x11x111xx21xxX x11x111xx21x2Y x11x111xx2x1xZ x11x111xx2x12[ x11x111xx2xx2\ x11x111212xx2] x11x1112xx1x2^ x11x1112xxx12_ x11x1112x21xx` x11x1112x21x2a x11x1112x2x1xb x11x1112x2x12c x11x1112x2xx2d x11x11x112xx2e x11x11x1xx1x2f x11x11x1xxx12g x11x11x1x21xxh x11x11x1x21x2i x11x11x1x2x1xj x11x11x1x2x12k x11x11x1x2xx2l x11x11xx1x1x2m x11x11xx1xx12n x11x11xx121xxo x11x11xx121x2p x11x11xx12x1xq x11x11xx12x12r x11x11xx12xx2s x11x11xxxx11xt x11x11xxxx112u x11x11xxxx1x2v x11x11xxxxx12w x11x11xxx211xx x11x11xxx2112y x11x11xxx21xxz x11x11xxx21x2{ x11x11xxx2x1x| x11x11xxx2x12} x11x11x21x1x2~ x11x11x21xx12 x11x11x2121xx x11x11x2121x2 x11x11x212x1x x11x11x212x12 x11x11x212xx2 x11x11x2xx11x x11x11x2xx112 x11x11x2xx1x2 x11x11x2xxx12 x11x11x2x211x x11x11x2x2112 x11x11x2x21xx x11x11x2x21x2 x11x11x2x2x1x x11x11x2x2x12 x11x1x1112xx2 x11x1x11xx1x2 x11x1x11xxx12 x11x1x11x21xx x11x1x11x21x2 x11x1x11x2x1x x11x1x11x2x12 x11x1x11x2xx2 x11x1x1x1x1x2 x11x1x1x1xx12 x11x1x1x121xx x11x1x1x121x2 x11x1x1x12x1x x11x1x1x12x12 x11x1x1x12xx2 x11x1x1xxx11x x11x1x1xxx112 x11x1x1xxx1x2 x11x1x1xxxx12 x11x1x1xx211x x11x1x1xx2112 x11x1x1xx21xx x11x1x1xx21x2 x11x1x1xx2x1x x11x1x1xx2x12 x11x1x121x1x2 x11x1x121xx12 x11x1x12121xx x11x1x12121x2 x11x1x1212x1x x11x1x1212x12 x11x1x1212xx2 x11x1x12xx11x x11x1x12xx112 x11x1x12xx1x2 x11x1x12xxx12 x11x1x12x211x x11x1x12x2112 x11x1x12x21xx x11x1x12x21x2 x11x1x12x2x1x x11x1x12x2x12 x11x1xx11x1x2 x11x1xx11xx12 x11x1xx1121xx x11x1xx1121x2 x11x1xx112x1x x11x1xx112x12 x11x1xx112xx2 x11x1xxx1x11x x11x1xxx1x112 x11x1xxx1x1x2 x11x1xxx1xx12 x11x1xxx1211x x11x1xxx12112 x11x1xxx121xx x11x1xxx121x2 x11x1xxx12x1x x11x1xxx12x12 x11x1xx21x11x x11x1xx21x112 x11x1xx21x1x2 x11x1xx21xx12 x11x1xx21211x x11x1xx212112 x11x1xx2121xx x11x1xx2121x2 x11x1xx212x1x x11x1xx212x12 x1x11111x2xx2 x1x1111x12xx2 x1x1111xxx1x2 x1x1111xxxx12 x1x1111xx21xx x1x1111xx21x2 x1x1111xx2x1x x1x1111xx2x12 x1x1111xx2xx2 x1x1111212xx2 x1x11112xx1x2 x1x11112xxx12 x1x11112x21xx x1x11112x21x2 x1x11112x2x1x x1x11112x2x12 x1x11112x2xx2 x1x111x112xx2 x1x111x1xx1x2 x1x111x1xxx12 x1x111x1x21xx x1x111x1x21x2 x1x111x1x2x1x x1x111x1x2x12 x1x111x1x2xx2 x1x111xx1x1x2 x1x111xx1xx12 x1x111xx121xx x1x111xx121x2 x1x111xx12x1x x1x111xx12x12 x1x111xx12xx2 x1x111xxxx11x x1x111xxxx112 x1x111xxxx1x2 x1x111xxxxx12 x1x111xxx211x x1x111xxx2112 x1x111xxx21xx x1x111xxx21x2 x1x111xxx2x1x x1x111xxx2x12 x1x111x21x1x2 x1x111x21xx12 x1x111x2121xx x1x111x2121x2 x1x111x212x1x x1x111x212x12 x1x111x212xx2 x1x111x2xx11x x1x111x2xx112 x1x111x2xx1x2 x1x111x2xxx12 x1x111x2x211x  x1x111x2x2112  x1x111x2x21xx  x1x111x2x21x2  x1x111x2x2x1x  x1x111x2x2x12 x1x11x1112xx2 x1x11x11xx1x2 x1x11x11xxx12 x1x11x11x21xx x1x11x11x21x2 x1x11x11x2x1x x1x11x11x2x12 x1x11x11x2xx2 x1x11x1x1x1x2 x1x11x1x1xx12 x1x11x1x121xx x1x11x1x121x2 x1x11x1x12x1x x1x11x1x12x12 x1x11x1x12xx2 x1x11x1xxx11x x1x11x1xxx112 x1x11x1xxx1x2  x1x11x1xxxx12! x1x11x1xx211x" x1x11x1xx2112# x1x11x1xx21xx$ x1x11x1xx21x2% x1x11x1xx2x1x& x1x11x1xx2x12' x1x11x121x1x2( x1x11x121xx12) x1x11x12121xx* x1x11x12121x2+ x1x11x1212x1x, x1x11x1212x12- x1x11x1212xx2. x1x11x12xx11x/ x1x11x12xx1120 x1x11x12xx1x21 x1x11x12xxx122 x1x11x12x211x3 x1x11x12x21124 x1x11x12x21xx5 x1x11x12x21x26 x1x11x12x2x1x7 x1x11x12x2x128 x1x11xx11x1x29 x1x11xx11xx12: x1x11xx1121xx; x1x11xx1121x2< x1x11xx112x1x= x1x11xx112x12> x1x11xx112xx2? x1x11xxx1x11x@ x1x11xxx1x112A x1x11xxx1x1x2B x1x11xxx1xx12C x1x11xxx1211xD x1x11xxx12112E x1x11xxx121xxF x1x11xxx121x2G x1x11xxx12x1xH x1x11xxx12x12I x1x11xx21x11xJ x1x11xx21x112K x1x11xx21x1x2L x1x11xx21xx12M x1x11xx21211xN x1x11xx212112O x1x11xx2121xxP x1x11xx2121x2Q x1x11xx212x1xR x1x11xx212x12S xx111111x2xx2T xx11111x12xx2U xx11111xxx1x2V xx11111xxxx12W xx11111xx21xxX xx11111xx21x2Y xx11111xx2x1xZ xx11111xx2x12[ xx11111xx2xx2\ xx11111212xx2] xx111112xx1x2^ xx111112xxx12_ xx111112x21xx` xx111112x21x2a xx111112x2x1xb xx111112x2x12c xx111112x2xx2d xx1111x112xx2e xx1111x1xx1x2f xx1111x1xxx12g xx1111x1x21xxh xx1111x1x21x2i xx1111x1x2x1xj xx1111x1x2x12k xx1111x1x2xx2l xx1111xx1x1x2m xx1111xx1xx12n xx1111xx121xxo xx1111xx121x2p xx1111xx12x1xq xx1111xx12x12r xx1111xx12xx2s xx1111xxxx11xt xx1111xxxx112u xx1111xxxx1x2v xx1111xxxxx12w xx1111xxx211xx xx1111xxx2112y xx1111xxx21xxz xx1111xxx21x2{ xx1111xxx2x1x| xx1111xxx2x12} xx1111x21x1x2~ xx1111x21xx12 xx1111x2121xx xx1111x2121x2 xx1111x212x1x xx1111x212x12 xx1111x212xx2 xx1111x2xx11x xx1111x2xx112 xx1111x2xx1x2 xx1111x2xxx12 xx1111x2x211x xx1111x2x2112 xx1111x2x21xx xx1111x2x21x2 xx1111x2x2x1x xx1111x2x2x12 xx111x1112xx2 xx111x11xx1x2 xx111x11xxx12 xx111x11x21xx xx111x11x21x2 xx111x11x2x1x xx111x11x2x12 xx111x11x2xx2 xx111x1x1x1x2 xx111x1x1xx12 xx111x1x121xx xx111x1x121x2 xx111x1x12x1x xx111x1x12x12 xx111x1x12xx2 xx111x1xxx11x xx111x1xxx112 xx111x1xxx1x2 xx111x1xxxx12 xx111x1xx211x xx111x1xx2112 xx111x1xx21xx xx111x1xx21x2 xx111x1xx2x1x xx111x1xx2x12 xx111x121x1x2 xx111x121xx12 xx111x12121xx xx111x12121x2 xx111x1212x1x xx111x1212x12 xx111x1212xx2 xx111x12xx11x xx111x12xx112 xx111x12xx1x2 xx111x12xxx12 xx111x12x211x xx111x12x2112 xx111x12x21xx xx111x12x21x2 xx111x12x2x1x xx111x12x2x12 xx111xx11x1x2 xx111xx11xx12 xx111xx1121xx xx111xx1121x2 xx111xx112x1x xx111xx112x12 xx111xx112xx2 xx111xxx1x11x xx111xxx1x112 xx111xxx1x1x2 xx111xxx1xx12 xx111xxx1211x xx111xxx12112 xx111xxx121xx xx111xxx121x2 xx111xxx12x1x xx111xxx12x12 xx111xx21x11x xx111xx21x112 xx111xx21x1x2 xx111xx21xx12 xx111xx21211x xx111xx212112 xx111xx2121xx xx111xx2121x2 xx111xx212x1x xx111xx212x12