1X11X111X1X12111
2X1112111X112111
2X1X1111X1X22111
1111211X221X2122
2211X11XXX112X22
1211X1X111222X12
221X11X1X1212X12
12112111X1212X22
X1X1X1111XX12222
XX11111X1X1X2222
X1X1211112XX2222
221111X11XXX2212
X2112111112X2222
2X111111X12X2222
