X121XX2X111111M2
11XXX122211111M2
11X2X2X21X1111M2
X2XXX221121111M2
12X2X12X12X111M2
X1X22XX1122111M2
XX21X1X2122111M2
X12XX11X222111M2
X22221XX121X11M2
X1X2X12X221X11M2
X1XX211X1X1211M2
1121XXXXX21211M2
