若方程\(|x^{2}-2x-1|-t=0\)有四个不同的实数根\(x_{1}\)，\(x_{2}\)，\(x_{3}\)，\(x_{4}\)，且\(x_{1} < x_{2} < x_{3} < x_{4}\)，则\(2(x_{4}-x_{1})+(x_{3}-x_{2})\)的取值范围是 ______ ．