nst numChunks = Math.ceil(allToDecomp/decodeChunkSize);

            console.log(allToDecomp + " bytes to decompress");
            console.log("Will be decompressed in " + numChunks+ " chunks");

            let partOffsets = [{start: 0, end: 1131408336}, {start: 1131408336, end: 2227518416}, {start: 2227518416, end: 3308987856}, {start: 3308987856, end: 4265298864}];
            let parts = [];

            for (let offsets of partOffsets) {
                parts.push(new Uint8Array(offsets.end-offsets.st