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Array:
   a[1]=1.5
   a[2]=3
   a[3]=1
   a[4]=-
   a[5]=5
   a[6]=-
   a[7]=2
   a[12]=-

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Array:
   a[1]=1
   a[2]=-
   a[3]=5
   a[4]=7
   a[5]=3
   a[6]=2
   a[7]=-
   a[12]=-

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Array:
   a[1]=-
   a[2]=-
   a[3]=-
   a[4]=-
   a[5]=-
   a[6]=-
   a[7]=-
   a[12]=9