1XX111111XX12112
1211X1221111XX12
12X11XX121211212
12XX1112222X1X12
12XX1XX112212112
12XX1XX212121212
12XX122221X11X12
12X21X1X221X1212
12X21X21X1X11212
12X2122X21X11X12
X2XX12121XX11112
X2X2112X12111X12
X2X212122X121112
X2X2122111121112
X2211XX211X11112
X22X111121X21112
