2XX2111X2X211222
1X21111X1221X222
X11122X21X222X22
21XXX1XX122X2X22
X1X12X2X12122X22
2112X1XX2X2XX222
112X1121122X1222
112X1121122X1222
2X112XX122XXX222
21X2XXX112212X22
1X2X121X12XX122M
X2112X1121XX212M
1X122122111X2X2M
212X2122X111X22M
21X11221XX2X2X2M
21XX11112X12X22M
2111X22121X1222M
1212X2X1X2XX112M
21112112X1221X2M
X21X1121X1122X2M
