matrix field=5 rows=20 cols=20 04000000000000000000 10000000000000000000 00004000000000000000 00000040000000000000 00100000000000000000 00000000040000000000 00010000000000000000 00000000000040000000 00000000000000400000 00000100000000000000 00000000000000004000 00000000000000000040 00000001000000000000 14120014041023140413 00000000100000000000 03001124033324342144 00000000001000000000 14140304003220144203 00000000000100000000 32144023321343224221