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X1X11X1XXX1XXX11
X1X11X211X1XXX11
X1X1XX111X1XXX11
X1X1XX21XX11XX11
X1X1XX2X1X1XXX11
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XXX11X2XXX11XX11
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XXX1XX21XX1XXX11
12X1112212122211
12X1112212X11111
12X1122211X22211
12XX112211X22211
12XX122211111111
12XX122212X22211
22X1112211111111
22X1112212X22211
22X1122212111111
22XX112212111111
22XX122211122211
22XX122211X11111
1X11X221X2222221
2111222121X2X21M
2X111122XX111221
2X1112221X21X122
