21X121X2X1X11212
21X1212X1X211212
2X11212X21X11211
X1112X12XX211211
22X1X1121XX11210
2121X211X2X11221
2XX112XX1X111220
22X1112XX1X11202
2X1121X122111222
1X11211X12111222
11212XX111211201
1X212XX111111211
11X121X21X21X211
11X121XX1X211210
X1XX21X22X121211
X1X12122X1X11221
