
This modules lets you turn this:

  qw(6 1 7 2 10 9 1 10 10 10 0 0 8 2 10 9 1);

Into this:

    +-----+-----+-----+-----+-----+-----+-----+-----+-----+-------+
    | 6 1 | 7 2 | X   | 9 / | X   | X   | X   | - - | 8 / | X 9 / |
    |   7 |  16 |  36 |  56 |  86 | 106 | 116 | 116 | 136 |   156 |
