2XX22121X2212121
X1X22X211X2121M2
21X211211XX121M2
X1122X2X12X111M1
X1121121XX2121M1
21122121X22111M2
XX12212X1XX12121
2X122X211X212122
X112222112212122
2X122X2XX2211122
X11222211XX121M1
21121X2112212122
2112112X12X111M1
X1X21X21X2211121
21X2122X1XX111M1
21X21221X2X11121
