Failed assertion imgdata.data["0"] === 0x44 (got 204[number], expected 68[number])
Failed assertion imgdata.data["2"] === 0xCC (got 68[number], expected 204[number])
Failed assertion imgdata.data["4"] === 0x44 (got 204[number], expected 68[number])
Failed assertion imgdata.data["6"] === 0xCC (got 68[number], expected 204[number])