CloseCov:d=4,o=6,b=140:c_7,2b.,8c_,8e,8d_,2c_.,c_7,2b.,8c_,e,d_,2c_,c_7,2b.,8c_,8e,8d_,2c_.,c_,2d_.,8e,8f_,8d_,1c_