km
                      ______/\ ______/\ ___/\ _____/\
                     \ ù ù ú  \ù ù ú   \ù ù ú\ù ù ú  \
                      |ù      |ù   (___|ù    |ù      |
                      |.  @   |.       |.    |.  @   |
                      |ú      |ú__     |ú    |ú      |
                      |ú  |   |ú  )    |ú    |ú  |   |
                      |__/ __ |_______ |____ |__/ __ |
                             \|       \/    \|      \/