11X11X2X11111X12
11X1122XX1211X12
2XX2XX2X11111X12
2XX2X22XX1211X12
2XX1122X11111X12
2XX11X2XX1211X12
11X2X22X11111X12
11X2XX2XX1211X12
21X21X2XX1111X12
21X2122X11211X12
1XX1XX2XX1111X12
1XX1X22X11211X12
21X1XX2X11211X12
21X1X22XX1111X12
1XX21X2X11211X12
1XX2122XX1111X12
