X11X221221112111
X111X21221112111
211X221X21112111
2111X21X2111211M
21112212X111211M
21X12212X111211M
21X12112221121M1
21112212X21121M1
211XX112211111M1
X111211X211111MM
21XXX212221111MM
X1X1221X221111MM
