Original mincdump:

 image =
  29, 45, 58, 78, 93, 85, 88, 98, 101, 116, 112, 122, 120, 126, 129, 127,
    121, 128, 120, 119, 125, 120, 122, 124, 133, 140, 133, 124, 130, 124,
    115, 121, 114, 113, 125, 126, 125, 125, 126, 127, 135, 131, 128, 140,
    128, 124, 133, 147, 151, 155, 165, 165, 154, 149, 149, 154, 175, 166,


Rewritten mincdump:

image =
  -30979, -30756, -30575, -30297, -30089, -30200, -30158, -30019, -29977,
    -29769, -29824, -29685, -29713, -29630, -29588, -29616, -29699, -29602,
    -29713, -29727, -29643, -29713, -29685, -29657, -29532, -29435, -29532,
    -29657, -29574, -29657, -29783, -29699, -29796, -29810, -29643, -29630,