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]