XX12X1X2XXX2XX12
XX11X1X1XXX22X22
X1122122XXX22211
X1111XX1XXX21X12
X11111X2XXX2X211
XX122X22XXX22212
X1112X11XXX21212
X1111X21XXX21222
X1121111XXX21212
X111XX11XXX2XX22
X1111121XXX22211
X1111111XXX22X22
XX111X11XXX21X11
X1121112211X1101
211X11XX11112212
1111X1122112X1M2
X1121112XX21XX11
1X11111221X12XM2
