int depthDiff = getDepth(taskName1) - getDepth(taskName2);
        if (depthDiff != 0) {
            return depthDiff;
        }
        return compareSegments(taskName1, taskName2);
    }

    private int compareSegments(String taskName1, String taskName2) {
        int colon1 = taskName1.indexOf(':');
        int colon2 = taskName2.indexOf(':');
        if (colon1 > 0 && colon2 > 0) {