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    private void insert(int[] a, int left, int right, int value) {        int i = right-1;        while (i >= left && a[i] > value) {            a[i+1] = a[i];            i--;        }        a[i+1] = value;    }        private void insertionSort(int[] a, int left, int right) {        int i = left;        while (i < right) {            insert(a, left, right, a[i]);            i++;            System.out.println(left);        }    }