11X1111111111220
X12XX11111111220
112X1111X2112220
X1X1X111X2112220
11XXX1112X112220
X12111112X112220
1121X1112211X220
X1XX11112211X220
1121X1X111112220
X1XX11X111112220
11XXX1X112111220
X12111X112111220
11X111X1XX11X220
X12XX1X1XX11X220
112X11X121111220
X1X1X1X121111220
112X11211X11X220
X1X1X1211X11X220
11XXX121X111X220
X1211121X111X220
1121X121XX111220
X1XX1121XX111220
11X1112122112220
X12XX12122112220
