If two low, wide wooden shelving units are different colors and different designs.
return shelving units ;return #1 that are wooden ;return #2 that are wide ;return #3 that are low ;return colors of #4 ;return #4 where  #5 are different  ;return designs of #6 ;return #6 where  #7 are different  ;return number of  #8 ;return if  #9 is equal to  two
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