+------+.      +------+       +------+       +------+      .+------+
|`.    | `.    |\     |\      |      |      /|     /|    .' |    .'|
|  `+--+---+   | +----+-+     +------+     +-+----+ |   +---+--+'  |
|   |  |   |   | |    | |     |      |     | |    | |   |   |  |   |
+---+--+.  |   +-+----+ |     +------+     | +----+-+   |  .+--+---+
 `. |    `.|    \|     \|     |      |     |/     |/    |.'    | .'
   `+------+     +------+     +------+     +------+     +------+'
  복제
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