names := make([][]string, 0)
	/// part, verID, file
	files := make([]map[string][]string, 0)
	partNums := make(map[int]int)
	for k, v := range all {
		for _, file := range v {
			part := getPartNum(file)
			partIdx, ok := partNums[part]
			if !ok {
				partIdx = len(names)
				partNums[part] = partIdx
				names = append(names, nil)
				files = append(files, make(map[string][]string))
			}