tablewriter prints the matrix as a table {"test11", "test1"}, {"test22", "test12"}, {"test33", "test13"}, {"test44444444", "test14"}, | test11 | test1 | | test22 | test12 | | test33 | test13 | | test11 | test1 | | test22 | test12 | | test44444444 | test14 |