zopflipng (with -m switch) is close to or better than the best on those five images: 1_zopflipng.png 8.466 2_zopflipng.png 18.739 3_zopflipng.png

zopflipng (with -m switch) is close to or better than the best on those five images: 1_zopflipng.png 8.466 2_zopflipng.png 18.739 3_zopflipng.png 8.012 4_zopflipng.png 91.879 5_zopflipng.png 1.117