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set end01= Þ ²
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set end02=  Þ ²
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set end03=   Þ ²
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set end04=    Þ ²
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set end05=     Þ ²
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set end07=       Þ ²
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set end09=         Þ ²
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set end10=          Þ ²
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set end11=           Þ ²
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set end12=            Þ ²
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set end13=             Þ ²
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set end14=              Þ ²
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set end15=               Þ ²
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set end16=                Þ ²
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set end17=                 Þ ²
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set end18=                  Þ ²
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set end19=                   Þ ²
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set end20=                    Þ ²
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set end21=                     Þ ²
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set end22=                      Þ ²
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set end23=                       Þ ²
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set end24=                        Þ ²
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set end25=                         Þ ²
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set end26=                          Þ ²
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set end27=                           Þ ²
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set end28=                            Þ ²
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set end29=                             Þ ²
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set end30=                              Þ ²
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set end31=                               Þ ²
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set end32=                                Þ ²
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set end33=                                 Þ ²
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set end34=                                  Þ ²
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set end35=                                   Þ ²
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set end36=                                    Þ ²
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set end37=                                     Þ ²
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set end38=                                      Þ ²
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set end39=                                       Þ ²
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set end40=                                        Þ ²
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set end41=                                         Þ ²
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set end42=                                          Þ ²
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set end43=                                           Þ ²
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set end44=                                            Þ ²
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set end45=                                             Þ ²
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set end46=                                              Þ ²
:end47
set end47=                                               Þ ²
:end48
set end48=                                                Þ ²
:end49
set end49=                                                 Þ ²
:end50
set end50=                                                  Þ ²
:end51
set end51=                                                   Þ ²