11111111X1211X22
11111111X12X1122
11111111XX211122
11111111X2221222
X1X1XX11X1211122
X1X1XX11XX2X1222
X1X1XX11XX221X22
X1X1XX11X22X1X22
21212211X1221222
21212211XX2X1X22
21212211X2211222
21212211X2221122
