1211112X1X2XX112
XX11112XXX212212
1211122XXX112112
XX11122X1X1XX212
12X11X2XXX21X212
XXX11X2X1X2X2112
1XX1122X1XX12212
X2X1122XXXXXX112
1221112XXXXX2212
XX21112X1XX1X112
1X211X2XXX1XX112
X2211X2X1X112212
