/\abcdef
ab|cde
 \     bbfdfffedccabcfeaceb
  \    dbaaeaaaedfcdebfadfe
   \   bafdefaabfeeebabddda
 /\/\/ eccdcacaaffddedfcfde
    \  bcbffbdecedabbbacfee
     \ ebadfebcdffdabcebafb
      \eaabdbebafeeaacedfdd
      /eabbdcffbbbccbafffee
 /\/\/ cbbecaafebdecdfaebfd
 /\/\/ fbdeeacaacfdeeddbbda
     / edbcdbabdcbedebbebca
 /\/\/ ddfeaadceeefdbeecfed
 /\/\/ baedafcdafdbebcaaadd
 /\/\/ aebdaecaadcacbddfecd
 /\/\/ ebcfadcdbdcdccffddde
    /  faaaaefedceabbffaeaf
   /   cdeecfcdacfbefffdfac
 /\/\/ bbbcceffedcbdbffdcfd
  /    ffeeabecbfdcbeedebba
 /\/\/ dbebffadccdfaaddbebc
 /\/\/ fcbbceaafeebcbedfbfe
 /     ddaacdedeecfadbbdebe
 /\/\/ fdbacacfeffcdcbdeeef
/      cccbadebcfabefdabdff
\      cbcecbfccbedcfabdebe
 /\/\/ caddffccccfffbdffbed
 /\/\/ aadeacecbacccecdbbbe
 /\/\/ bccbffffdecfefeaccba
 \     afefacfdbdbcdecebbad
  \    ebefabdfecaffbccbfed
 /\/\/ ffdddbbdfffdccbbddda
 /\/\/ bbfdbeccaccafaafddfb
 /\/\/ dddefddfbdeeffddcacd
 /\/\/ fcdddcefbfebefdfdfdf
   \   cccaeaccccbabdbeceaa
 /\/\/ dbbcadaaaebcfcbaddba
 /\/\/ bdfdfdebcebcbccebfaa
    \  eeadeababebbbfbdfdec
     \ dfaabbfecfafcaeaaafd
      \bafcebcbabecafacbfba