S: 3, sim (iris2.pgm,iris4.pgm,0.000264), diff (iris1.pgm,iris7.pgm,0.058708)
S: 5, sim (iris5.pgm,iris9.pgm,0.009788), diff (iris1.pgm,iris7.pgm,0.270542)
S: 7, sim (iris2.pgm,iris6.pgm,0.007485), diff (iris1.pgm,iris7.pgm,0.274579)
S: 9, sim (iris2.pgm,iris5.pgm,0.001836), diff (iris1.pgm,iris7.pgm,0.218416)
S: 11, sim (iris4.pgm,iris6.pgm,0.001619), diff (iris1.pgm,iris7.pgm,0.174216)
S: 13, sim (iris4.pgm,iris5.pgm,0.002109), diff (iris1.pgm,iris7.pgm,0.147265)
S: 15, sim (iris2.pgm,iris9.pgm,0.002201), diff (iris1.pgm,iris7.pgm,0.124851)