local dispMode = {
  [1] = [[
    +--+----+--+
    |NW|  N |NE|
    +--+----+--|
    |  |    |  |
    |W |main| E|
    |  |    |  |
    +--+----+--+
    |SW|  S |SE|
    +--+----+--+
]],
  [2] = [[
    +----------+
    |     N    |
    +--+----+--+
    |  |    |  |
    |W |main| E|
    |  |    |  |
    +--+----+--+
    |     S    |
    +----------+
]],
  [3] = [[
    +--+----+--+
    |  |  N |  |
    +  +----+  +
    |  |    |  |
    |W |main| E|
    |  |    |  |
    +  +----+  +
    |  |    |  |
    +--+----+--+
]],}