2221X2X1XXX1X121
2XX122XXX1221121
X121121XXXX11121
1X21XX11X221X221
1X12221XX1X12X10
X1122X1212121X01
111122221X111202
12222212X1X22211
112X221XX21X2XM2
XX2XX2111111X1M2
2X11221XX222X1M2
2221X21X22XX22M2
