asco-o: __
                                          _________________|__
                      ___________________|
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                     |                   |_________________|__
 _asco-o _______|
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|                    |                    _________________|__
|                    |___________________|
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|                                        |_________________|__
|
|--asco-o 
|
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|                     _asco-o _|
|                    |                   |                  __
|                    |                   |_________________|__
|_asco-o _|
                     |                                      __
                     |                      _asco-o ____|__
                     |_asco-o ____|
                                         |                  __
                                         |_asco-o _|__