_______?_______
            /               \
            |         (o)   |
            |  (o)          |
            |       \       |
            |               |
            |     \__/      |
            |               |
            \_______________/
             /     \ /     \
            /      / \      \
            |      | |  _+_  |
            |      | | |   | |
            |      | | |___| |
            |      \ /       |
            |       ^        |