* Title:Having avoided the debris
* Designer:jf
* Type:Solution
* Follows:xopacax
* Physics:2
%%%%%~%%~%%~%%~%%~%~%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%   ghijklmnopqrstuv                      %%%%%%%%
%                                         %%%%%%%%
%                                         %%%%%%%%
%                                         %%%%%%%%
%                                         %%%%%%%%
%                                         %%%%%%%%
%                                         %%%%%%%%
%                                     %W+%%%%%%%%%
%                                     %$$$%%%%%%%%
%%%.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%.W%%%%%%%%
%(!$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$W%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%W%%%%%%%%
%%%%%,%%%%%%%%%%%%%%%%,%%%%%%%%%%%%%%%%,%W%%%%%%%%
%%%%%(0123456789abcdef($$$$$$$$$$$$$$$$$%W%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%:%%%%%%%%%%%%%%%%%%W%%%%%%%%
%%%%%%%%%%%%(g$$$$$($%                = %W%%%%%%%%
%%%%%%%%%%%%%%%%%%%W$,>->->>->>>>>>>>V  %W%%%%%%%%
%%%%%%%%%%$$$$$$$$$$$%                  %W%%%%%%%%
%%%%%%%%$%%W%%%%%%%.,+..:MWMM \   )     %W%%%%%%%%
%%%%%%%$A$$$$$$$$(!$$$         =,F=    ,$$%%%%%%%%
%%%%%,$$$$/%\$$/M%%%.%>>>>>>>W     (    <<%%%%%%%%
%%%%%%$/\g$$$$/%M%%$$?)        /<M===W= %%%%%%%%%%
%%%%%%%%%%%,%W,%M%%T%%W,  \   WF        %%%%%%%%%%
%%%%%%%%%%%%($$$$%%$$$     \    ,. + : ,%%%%%%%%%%
%%%%%%%%%%%%%%>>%%%%%%<<<<  V<K    (    %%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%         >>>====F %%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%$%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%$%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%$%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%F%%%%%%%%%%%%%%%%%%%%%%%%%%%