XX21111112222112
X121X1X111X11112
X121X1X12XX11X12
X12111X1X1111X12
X121111111111112
X121112122X21112
X1212111X12XX212
1X21X1X121221112
1X21X121X1X11112
1X2111112X212112
1X21212121222212
1121X111XX1X1X12
1121X11111X1X112
1121X1112121X212
1121X1212221X112
112111111X1XX112
1121111121212212
112121X112211112
1221X11122212112
122111X12211X112
122111112X212X12
12212111X2X21112
122121112121XX12
212111112XXX2112
212111112121X212
