I found the problem. One of the elements had entry "Y" in the 9th column. Your utility to see array as a table is super helpful. Thank you.
But I am wondering how the "Y" got into this column. Do you know what should be in column 9?
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
