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# # * = = = = * # # # * = = = = = = = = = = = * # # # * = = = = = * # 
# * # # # # # | # # * # # # # # # # # # # # # | # # * # # # # # # | # 
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# | # # | # # # # # * # # # * # # | # # # * # # # # * # # # * # # # # 
# | # # * = = = = = = * # # | # # | # # * = = = = = = * # # | # # # # 
# * # # # # # # # # # # # # * # # | # # # # # # # # # # # # * # # # # 
# # * = = = = = = = = = = * # # # * = = = = = = = = = = = * # # # # # 
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #