Initial commit

              a          a
             aaa        aaa
            aaaaaaaaaaaaaaaa
           aaaaaaaaaaaaaaaaaa
          aaaaa aaaaaaa aaaaaa
          aaaaaaaaaaaaaaaaaaaa
           aaaaaaaaaaaaaaaaaa
            aaaaaaa  aaaaaaa
             aaaaaaaaaaaaaa
  a         aaaaaaaaaaaaaaaa
 aaa       aaaaaaaaaaaaaaaaaa
 aaa      aaaaaaaaaaaaaaaaaaaa
 aaa     aaaaaaaaaaaaaaaaaaaaaa
 aaa    aaaaaaaaaaaaaaaaaaaaaaaa
  aaa   aaaaaaaaaaaaaaaaaaaaaaaa
  aaa   aaaaaaaaaaaaaaaaaaaaaaaa
  aaa    aaaaaaaaaaaaaaaaaaaaaa
   aaa    aaaaaaaaaaaaaaaaaaaa
    aaaaaaaaaaaaaaaaaaaaaaaaaa
     aaaaaaaaaaaaaaaaaaaaaaaaa