1112221122211222
1X1222X1222X1222
1212222122221222
11X2221122211222
1XX222X1222X1222
12X2222122221222
11X2221X22212222
1XX222XX222X2222
12X2222X22222222
1112221X22212222
1X1222XX222X2222
1212222X22222222
11X222XX22221222
1XX2222X22211222
12X2221X222X1222
1112222X222X1222
1X12221X22221222
121222XX22211222
111222X122222222
1X12222122212222
12122211222X2222
11X22221222X2222
1XX2221122222222
12X222X122212222
