import std.string : representation; const data = Intertwined2BPP(import("bpp2-sample2.bin").representation[0 .. 8 * 2]); const ubyte[][] finaldata = [ [0, 3, 2, 2, 2, 2, 3, 2], [0, 0, 3, 2, 2, 2, 2, 2], [0, 0, 3, 3, 3, 0, 3, 3], [0, 3, 3, 3, 0, 0, 0, 3], [0, 3, 0, 3, 3, 3, 3, 3], [0, 3, 0, 3, 3, 3, 3, 3], [0, 0, 3, 0, 1, 1, 3, 3], [0, 0, 0, 3, 1, 1, 3, 2]]; assert(data.pixelMatrix() == finaldata);