|   |   |   |   X   |   |   
|   X   |   |   |   |   |   
|   |   X---+---@---@   |   
|   |   |   @---+---@---X   
|   @---+---+---@---X   |   
|   |   @---+---X   |   |   
|   @---+---+---@---X   |   
|   |   |   @---+---@---X   
|   @---+---+---@---X   |   
|   |   @---+---X   |   |   
|   @---+---+---@---X   |   
|   |   X---+---@---@   |   
|   |   |   @---+---@---X   
|   @---+---+---@---X   |   
|   |   @---+---X   |   |   
|   @---+---+---@---X   |   
|   |   |   @---+---@---X   
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|   |   @---+---X   |   |   
|   @---+---+---@---X   |   
|   |   |   |   X   |   |   
|   X   |   |   |   |   |   
|   |   X---@---@   |   |   
|   X   |   |   |   |   |   
|   |   |   |   |   X   |   
|   |   |   X   |   |   |   
|   @---X---@   |   |   |   
|   X---+---+---@---+---@   
|   |   |   |   |   @---X   
|   X---+---+---@---+---@   
|   @---X---@   |   |   |   
|   X---+---+---@---+---@   
|   |   |   |   |   @---X   
|   X---+---+---@---+---@   
|   |   |   |   |   X   |   
|   |   |   X   |   |   |   
