| pngcrush 1.6.4
 |    Copyright (C) 1998-2002,2006 Glenn Randers-Pehrson
 |    Copyright (C) 2005      Greg Roelofs
 | This is a free, open-source program.  Permission is irrevocably
 | granted to everyone to use this version of pngcrush without
 | payment of any fee.
 | Executable name is pngcrush
 | It was built with libpng version 1.2.7, and is
 | running with  libpng version 1.2.7 - September 12, 2004 (header)
 |    Copyright (C) 1998-2004,2006 Glenn Randers-Pehrson,
 |    Copyright (C) 1996, 1997 Andreas Dilger,
 |    Copyright (C) 1995, Guy Eric Schalnat, Group 42 Inc.,
 | and zlib version 1.2.5, Copyright (C) 1998-2002 (or later),
 |    Jean-loup Gailly and Mark Adler.
 | It was compiled with LLVM 4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.68) and modified by Apple as indicated in the sources.

   Recompressing collapse.png
   Total length of data found in IDAT chunks    =      958
   Reducing all-gray truecolor image to grayscale.
   Removed the pHYs chunk.
   Removed the sBIT chunk.
   Removed the tEXt chunk.
   IDAT length with method  11 (fm 0 zl 2 zs 2) =      777
   IDAT length with method  12 (fm 1 zl 2 zs 2) =      825
   IDAT length with method  13 (fm 2 zl 2 zs 2) =      826
   IDAT length with method  14 (fm 3 zl 2 zs 2) =      979
   IDAT length with method  15 (fm 4 zl 2 zs 2) =      811
   IDAT length with method  16 (fm 5 zl 2 zs 2) =      750
   IDAT length with method  17 (fm 0 zl 1 zs 0) =      494
   IDAT length with method  18 (fm 1 zl 1 zs 0) =      648
   IDAT length with method  19 (fm 2 zl 1 zs 0) =      821
   IDAT length with method  20 (fm 3 zl 1 zs 0) =      968
   IDAT length with method  21 (fm 4 zl 1 zs 0) =      805
   IDAT length with method  22 (fm 5 zl 1 zs 0) =      728
   IDAT length with method  23 (fm 0 zl 1 zs 1) =      494
   IDAT length with method  24 (fm 1 zl 1 zs 1) =      648
   IDAT length with method  25 (fm 2 zl 1 zs 1) =      821
   IDAT length with method  26 (fm 3 zl 1 zs 1) =      968
   IDAT length with method  27 (fm 4 zl 1 zs 1) =      805
   IDAT length with method  28 (fm 5 zl 1 zs 1) =      728
   IDAT length with method  29 (fm 0 zl 2 zs 0) =      474
   IDAT length with method  30 (fm 1 zl 2 zs 0) =      636
   IDAT length with method  31 (fm 2 zl 2 zs 0) =      805
   IDAT length with method  32 (fm 3 zl 2 zs 0) =      953
   IDAT length with method  33 (fm 4 zl 2 zs 0) =      790
   IDAT length with method  34 (fm 5 zl 2 zs 0) =      711
   IDAT length with method  35 (fm 0 zl 2 zs 1) =      474
   IDAT length with method  36 (fm 1 zl 2 zs 1) =      636
   IDAT length with method  37 (fm 2 zl 2 zs 1) =      805
   IDAT length with method  38 (fm 3 zl 2 zs 1) =      953
   IDAT length with method  39 (fm 4 zl 2 zs 1) =      790
   IDAT length with method  40 (fm 5 zl 2 zs 1) =      711
   IDAT length with method  41 (fm 0 zl 3 zs 0) =      465
   IDAT length with method  42 (fm 1 zl 3 zs 0) =      626
   IDAT length with method  43 (fm 2 zl 3 zs 0) =      801
   IDAT length with method  44 (fm 3 zl 3 zs 0) =      947
   IDAT length with method  45 (fm 4 zl 3 zs 0) =      784
   IDAT length with method  46 (fm 5 zl 3 zs 0) =      706
   IDAT length with method  47 (fm 0 zl 3 zs 1) =      465
   IDAT length with method  48 (fm 1 zl 3 zs 1) =      626
   IDAT length with method  49 (fm 2 zl 3 zs 1) =      801
   IDAT length with method  50 (fm 3 zl 3 zs 1) =      947
   IDAT length with method  51 (fm 4 zl 3 zs 1) =      784
   IDAT length with method  52 (fm 5 zl 3 zs 1) =      706
   IDAT length with method  53 (fm 0 zl 4 zs 0) =      455
   IDAT length with method  54 (fm 1 zl 4 zs 0) =      625
   IDAT length with method  55 (fm 2 zl 4 zs 0) =      787
   IDAT length with method  56 (fm 3 zl 4 zs 0) =      951
   IDAT length with method  57 (fm 4 zl 4 zs 0) =      767
   IDAT length with method  58 (fm 5 zl 4 zs 0) =      691
   IDAT length with method  59 (fm 0 zl 4 zs 1) =      450
   IDAT length with method  60 (fm 1 zl 4 zs 1) =      616
   IDAT length with method  61 (fm 2 zl 4 zs 1) =      792
   IDAT length with method  62 (fm 3 zl 4 zs 1) =      945
   IDAT length with method  63 (fm 4 zl 4 zs 1) =      760
   IDAT length with method  64 (fm 5 zl 4 zs 1) =      674
   IDAT length with method  65 (fm 0 zl 5 zs 0) =      451
   IDAT length with method  66 (fm 1 zl 5 zs 0) =      611
   IDAT length with method  67 (fm 2 zl 5 zs 0) =      777
   IDAT length with method  68 (fm 3 zl 5 zs 0) =      935
   IDAT length with method  69 (fm 4 zl 5 zs 0) =      756
   IDAT length with method  70 (fm 5 zl 5 zs 0) =      681
   IDAT length with method  71 (fm 0 zl 5 zs 1) =      446
   IDAT length with method  72 (fm 1 zl 5 zs 1) =      604
   IDAT length with method  73 (fm 2 zl 5 zs 1) =      779
   IDAT length with method  74 (fm 3 zl 5 zs 1) =      931
   IDAT length with method  75 (fm 4 zl 5 zs 1) =      745
   IDAT length with method  76 (fm 5 zl 5 zs 1) =      665
   IDAT length with method  77 (fm 0 zl 6 zs 0) =      444
   IDAT length with method  78 (fm 1 zl 6 zs 0) =      610
   IDAT length with method  79 (fm 2 zl 6 zs 0) =      774
   IDAT length with method  80 (fm 3 zl 6 zs 0) =      932
   IDAT length with method  81 (fm 4 zl 6 zs 0) =      754
   IDAT length with method  82 (fm 5 zl 6 zs 0) =      675
   IDAT length with method  83 (fm 0 zl 6 zs 1) =      437
   IDAT length with method  84 (fm 1 zl 6 zs 1) =      609
   IDAT length with method  85 (fm 2 zl 6 zs 1) =      776
   IDAT length with method  86 (fm 3 zl 6 zs 1) =      932
   IDAT length with method  87 (fm 4 zl 6 zs 1) =      746
   IDAT length with method  88 (fm 5 zl 6 zs 1) =      663
   IDAT length with method  89 (fm 0 zl 7 zs 0) =      432
   IDAT length with method  90 (fm 1 zl 7 zs 0) =      607
   IDAT length with method  91 (fm 2 zl 7 zs 0) =      771
   IDAT length with method  92 (fm 3 zl 7 zs 0) =      934
   IDAT length with method  93 (fm 4 zl 7 zs 0) =      749
   IDAT length with method  94 (fm 5 zl 7 zs 0) =      675
   IDAT length with method  95 (fm 0 zl 7 zs 1) =      428
   IDAT length with method  96 (fm 1 zl 7 zs 1) =      606
   IDAT length with method  97 (fm 2 zl 7 zs 1) =      770
   IDAT length with method  98 (fm 3 zl 7 zs 1) =      931
   IDAT length with method  99 (fm 4 zl 7 zs 1) =      741
   IDAT length with method 100 (fm 5 zl 7 zs 1) =      661
   IDAT length with method 101 (fm 0 zl 8 zs 0) =      428
   IDAT length with method 102 (fm 1 zl 8 zs 0) =      601
   IDAT length with method 103 (fm 2 zl 8 zs 0) =      770
   IDAT length with method 104 (fm 3 zl 8 zs 0) =      934
   IDAT length with method 105 (fm 4 zl 8 zs 0) =      751
   IDAT length with method 106 (fm 5 zl 8 zs 0) =      669
   IDAT length with method 107 (fm 0 zl 8 zs 1) =      425
   IDAT length with method 108 (fm 1 zl 8 zs 1) =      597
   IDAT length with method 109 (fm 2 zl 8 zs 1) =      771
   IDAT length with method 110 (fm 3 zl 8 zs 1) =      929
   IDAT length with method 111 (fm 4 zl 8 zs 1) =      741
   IDAT length with method 112 (fm 5 zl 8 zs 1) =      656
   IDAT length with method 113 (fm 0 zl 9 zs 0) =      428
   IDAT length with method 114 (fm 1 zl 9 zs 0) =      601
   IDAT length with method 115 (fm 2 zl 9 zs 0) =      770
   IDAT length with method 116 (fm 3 zl 9 zs 0) =      934
   IDAT length with method 117 (fm 4 zl 9 zs 0) =      751
   IDAT length with method 118 (fm 5 zl 9 zs 0) =      667
   IDAT length with method 119 (fm 0 zl 9 zs 1) =      425
   IDAT length with method 120 (fm 1 zl 9 zs 1) =      597
   IDAT length with method 121 (fm 2 zl 9 zs 1) =      771
   IDAT length with method 122 (fm 3 zl 9 zs 1) =      929
   IDAT length with method 123 (fm 4 zl 9 zs 1) =      741
   IDAT length with method 124 (fm 5 zl 9 zs 1) =      653
   IDAT length with method 125 (fm 0 zl 1 zs 3) =      777
   IDAT length with method 126 (fm 1 zl 1 zs 3) =      769
   IDAT length with method 127 (fm 2 zl 1 zs 3) =      783
   IDAT length with method 128 (fm 3 zl 1 zs 3) =      940
   IDAT length with method 129 (fm 4 zl 1 zs 3) =      770
   IDAT length with method 130 (fm 5 zl 1 zs 3) =      696
   IDAT length with method 131 (fm 0 zl 4 zs 3) =      777
   IDAT length with method 132 (fm 1 zl 4 zs 3) =      769
   IDAT length with method 133 (fm 2 zl 4 zs 3) =      783
   IDAT length with method 134 (fm 3 zl 4 zs 3) =      940
   IDAT length with method 135 (fm 4 zl 4 zs 3) =      770
   IDAT length with method 136 (fm 5 zl 4 zs 3) =      696
   Best pngcrush method = 107 (fm 0 zl 8 zs 1) for .pngcrush.tmp/collapse.png
     (55.64% IDAT reduction)
     (55.74% filesize reduction)

   CPU time used = 0.054 seconds (decoding 0.010,
          encoding 0.021, other 0.024 seconds)