21121XX1XX112X21
X1X2XX112X112120
X2XX111XXX21XX21
1X2121211XX12200
21121XX12X112120
21121XXXXX21XX21
21121XX11XX12200
X1X2XX11XX112X21
X1X2XX1XXX21XX21
X1X2XX111XX12200
1X212121XX112X21
1X2121212X112120
1X21212XXX21XX21
X2XX1111XX112X21
X2XX11112X112120
X2XX11111XX12200
