1
45
20
-1
white
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]                                           [
]                                           [
]                                           [
]                                           [
]         _________________________         [
]        |O           O           O|        [
=        |                         |        =
         |                         |         
         |                         |         
         |O___________O___________O|         
                                             
=                                           =
]                                           [
] _________________       _________________ [
]|        |        |     |        |        |[
]|        |        |     |        |        |[
]|________|________|     |________|________|[
]|________|________|     |________|________|[
+===================|   |===================+