--- s01n3p01 - 1x1 paletted file, no interlacing
--- s02n3p01 - 2x2 paletted file, no interlacing
--- s03n3p01 - 3x3 paletted file, no interlacing
--- s04n3p01 - 4x4 paletted file, no interlacing
--- s05n3p02 - 5x5 paletted file, no interlacing
--- s06n3p02 - 6x6 paletted file, no interlacing
--- s07n3p02 - 7x7 paletted file, no interlacing
--- s08n3p02 - 8x8 paletted file, no interlacing
--- s09n3p02 - 9x9 paletted file, no interlacing
--- s32n3p04 - 32x32 paletted file, no interlacing
--- s33n3p04 - 33x33 paletted file, no interlacing
--- s34n3p04 - 34x34 paletted file, no interlacing
--- s35n3p04 - 35x35 paletted file, no interlacing
--- s36n3p04 - 36x36 paletted file, no interlacing
--- s37n3p04 - 37x37 paletted file, no interlacing
--- s38n3p04 - 38x38 paletted file, no interlacing
--- s39n3p04 - 39x39 paletted file, no interlacing
--- s40n3p04 - 40x40 paletted file, no interlacing