Untitled

running: rotate-image < 3.txt > 3.txt
   1   2   3   4   5
   6   7   8   9  10
  11  12  13  14  15
  16  17  18  19  20
  21  22  23  24  25

  21  16  11   6   1
  22  17  12   7   2
  23  18  13   8   3
  24  19  14   9   4
  25  20  15  10   5

running: rotate-image < 4.txt > 4.txt
   1   2   3   4   5   6
   7   8   9  10  11  12
  13  14  15  16  17  18
  19  20  21  22  23  24
  25  26  27  28  29  30
  31  32  33  34  35  36

  31  25  19  13   7   1
  32  26  28  14   8   2
  33  27  15  16  20   3
  34  17  21  22  10   4
  35  29  23   9  11   5
  36  30  24  18  12   6

running: rotate-image < 5.txt > 5.txt
   2  29  20  26  16  28
  12  27   9  25  13  21
  32  33  32   2  28  14
  13  14  32  27  22  26
  33   1  20   7  21   7
   4  24   1   6  32  34

   4  33  13  32  12   2
  24   1   7  33  27  29
   1  20  32   2  14  20
   6  28  32  27  25  26
  32  21  22   9  13  16
  34   7  26  14  21  28