1X111X1XXX2X11M1
1X1XXX121XXX1XM1
12111X1XX1XX1XM1
1211XX1XXXX111M1
121X111XXXXX11M1
XX11X11XX1XX11M1
XX1X1X1XX1X111M1
XX1XXX1XXXXX1XM1
XX1XXX12X1XX11M1
X211X11XXX2X1XM1
X21X1X1XXX211XM1
X21XXX12XX2X1XM1
1X11111X112XX2M1
