XX1X111121X21X2M
21121111X122122M
XX121121X1211X2M
211X112121X1122M
XX12X1X1X1X2122M
211XX1X121221X2M
X11XX121X12X122M
2X12X12121XX1X2M
XX122111212X122M
211X2111X1XX1X2M
X11221X121X11X2M
2X1X21X1X121122M
