12212121X112111M
X1X121XX1212X11M
112121221X12111M
X12121112112X11M
112121112212X11M
12112112XX12111M
1X2121X21X12212M
X1X1211XX212X12M
X1212111X112212M
1X2121X22X12112M
11X1211X2112212M
X1X121XX1112X12M
1X2121X21X12212M
11212122X112X12M
111121XX1212112M
12212121XX12112M
