0x0 matrix, trying to add nonexistent column

1x1 matrix, adding a column to itself
       10

5x6 matrix
        0        3        2        3        4        5
        6       15        8        9       10       11
       12       27       14       15       16       17
       18       39       20       21       22       23
       24       51       26       27       28       29