@
  @          125 ------
  @              @    123 -----
  @             @ @       @
   @           @   @    @  @      今ここな
    @         @     @ @     @     ↓
     @       @       @       @    @@
      @     @    100 -----      @ @   @
       @    @                  @      @
       @   @               80-------     @
        @  @                            @
         @@
          @
       65-------