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77.~~..~......77~..777.7.77                                          
7.~.....~~...~~~...~.^.~..7                                          
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7.~.~...........0~....~.77                                           
77.~....####(..77.7..~.~.7                                           
7........##....~.....~7~.77                                          
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                  7777.~7777                                         
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