2111X21XX1X12222
2111X21X21212222
2111X2X1X1212222
21112211X1212222
211122X121X12222
211122XXX1212222
2X11X21121X12222
2X11X21XX1212222
2X11X2XX21X12222
2X11221X21X12222
2X1122X1X1X12222
2X1122X121212222
