d28x16
1111111111111111111111111110
1901001000001001000440440443
1701000731000701001071001703
1111311111111111111101131113
1001371001071001070001731003
1001300001001000031444431003
1111131111111111111111111113
1001031001001071000701731003
1070031700000001001300331703
1011111111111111111111111113
1001001001731001000031001003
1000701001001000731001001003
1011311111111311111111111113
1071301001000371001700001003
1001300700001300000061000073
1111111111111111111111111111