private boolean labSolution = false; ArrayQueue [0, 1, 2, 3, 4] 0 [1, 2, 3, 4, 5] 1 [2, 3, 4, 5, 6] 2 [3, 4, 5, 6, 7] 3 [4, 5, 6, 7, 8] 4 [5, 6, 7, 8, 9] 5 [6, 7, 8, 9, 10] 6 [7, 8, 9, 10, 11] 7 [8, 9, 10, 11, 12] 8 [9, 10, 11, 12, 13] 9 [10, 11, 12, 13, 14] [10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24]