##      
                                      ########<       
                                      .......)####### 
                                      ..............# 
                                      ........#####.# 
                                      .......gg...# # 
                                      ....^...###.#.##
                                      .........[.<...#
                                      ################
                                                      
                                                      
                                                      
                                                      
                                          ∆