d28x16
0009000000000008000000000000
1161111151111111116111111111
0060001000000000016000000000
6111111111151111111111511161
6000000000100000000000010060
1111611111111111111151110060
0000644444444444400000000060
0000403000000000011100011113
1111443111111111110000004443
1111403000000000000000040003
1181401111131111111000040003
1111400000030000000007040031
1181401131111110311301040311
1111400030000000300300003111
1771000030000000300300003111
1111111111111111111111111111