Enqueue 87
               Queue head =   0 -->87
                                   
Enqueue 16
               Queue head =   0 -->87
                                   16
                                   
Enqueue 36
               Queue head =   0 -->87
                                   16
                                   36
                                   
Dequeue 87
               Queue head =   1 -->16
                                   36
                                   
Dequeue 16
               Queue head =   2 -->36
                                   
Enqueue 22
               Queue head =   2 -->36
                                   22
                                   
Dequeue 36
               Queue head =   3 -->22
                                   
Enqueue 91
               Queue head =   3 -->22
                                   91
                                   
Enqueue 64
               Queue head =   3 -->22
                                   91
                                   64
                                   
Dequeue 22
               Queue head =   4 -->91
                                   64
                                   
Dequeue 91
               Queue head =   5 -->64
                                   
Dequeue 64
Queue empty

Underflow (queue empty)
Underflow (queue empty)
Enqueue 69
               Queue head =   6 -->69
                                   
Enqueue 30
               Queue head =   6 -->69
                                   30
                                   
Dequeue 69
               Queue head =   7 -->30
                                   
Dequeue 30
Queue empty

Underflow (queue empty)
Enqueue 68
               Queue head =   8 -->68
                                   
Enqueue 30
               Queue head =   8 -->68
                                   30
                                   
Dequeue 68
               Queue head =   9 -->30
                                   
Dequeue 30
Queue empty

Underflow (queue empty)
Enqueue 68
               Queue head =   0 -->68
                                   
Enqueue 57
               Queue head =   0 -->68
                                   57
                                   
Enqueue 43
               Queue head =   0 -->68
                                   57
                                   43
                                   
Enqueue 74
               Queue head =   0 -->68
                                   57
                                   43
                                   74
                                   
Enqueue 20
               Queue head =   0 -->68
                                   57
                                   43
                                   74
                                   20
                                   
Dequeue 68
               Queue head =   1 -->57
                                   43
                                   74
                                   20
                                   
Enqueue 99
               Queue head =   1 -->57
                                   43
                                   74
                                   20
                                   99
                                   
Dequeue 57
               Queue head =   2 -->43
                                   74
                                   20
                                   99
                                   
Enqueue 71
               Queue head =   2 -->43
                                   74
                                   20
                                   99
                                   71
                                   
Enqueue 27
               Queue head =   2 -->43
                                   74
                                   20
                                   99
                                   71
                                   27
                                   
Enqueue 81
               Queue head =   2 -->43
                                   74
                                   20
                                   99
                                   71
                                   27
                                   81
                                   
Dequeue 43
               Queue head =   3 -->74
                                   20
                                   99
                                   71
                                   27
                                   81
                                   
Enqueue 63
               Queue head =   3 -->74
                                   20
                                   99
                                   71
                                   27
                                   81
                                   63
                                   
Dequeue 74
               Queue head =   4 -->20
                                   99
                                   71
                                   27
                                   81
                                   63
                                   
Dequeue 20
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   
Enqueue 6
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   
Enqueue 85
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   
Enqueue 37
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   
Enqueue 47
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   
Enqueue 14

Overflow (queue full, head = 5, tail = 4)
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   
Enqueue 25

Overflow (queue full, head = 5, tail = 4)
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   
Enqueue 83

Overflow (queue full, head = 5, tail = 4)
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   
Enqueue 15

Overflow (queue full, head = 5, tail = 4)
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   
Enqueue 35

Overflow (queue full, head = 5, tail = 4)
               Queue head =   5 -->99
                                   71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   
Dequeue 99
               Queue head =   6 -->71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   
Enqueue 51
               Queue head =   6 -->71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   51
                                   
Enqueue 9

Overflow (queue full, head = 6, tail = 5)
               Queue head =   6 -->71
                                   27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   51
                                   
Dequeue 71
               Queue head =   7 -->27
                                   81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   51
                                   
Dequeue 27
               Queue head =   8 -->81
                                   63
                                   6
                                   85
                                   37
                                   47
                                   51
                                   
Dequeue 81
               Queue head =   9 -->63
                                   6
                                   85
                                   37
                                   47
                                   51
                                   
Dequeue 63
               Queue head =   0 -->6
                                   85
                                   37
                                   47
                                   51
                                   
Enqueue 52
               Queue head =   0 -->6
                                   85
                                   37
                                   47
                                   51
                                   52
                                   
Dequeue 6
               Queue head =   1 -->85
                                   37
                                   47
                                   51
                                   52
                                   
Enqueue 33
               Queue head =   1 -->85
                                   37
                                   47
                                   51
                                   52
                                   33
                                   
Dequeue 85
               Queue head =   2 -->37
                                   47
                                   51
                                   52
                                   33
                                   
Dequeue 37
               Queue head =   3 -->47
                                   51
                                   52
                                   33
                                   
Dequeue 47
               Queue head =   4 -->51
                                   52
                                   33
                                   
Enqueue 13
               Queue head =   4 -->51
                                   52
                                   33
                                   13
                                   
Dequeue 51
               Queue head =   5 -->52
                                   33
                                   13
                                   
Dequeue 52
               Queue head =   6 -->33
                                   13
                                   
Dequeue 33
               Queue head =   7 -->13
                                   
Enqueue 96
               Queue head =   7 -->13
                                   96
                                   
Dequeue 13
               Queue head =   8 -->96
                                   
Dequeue 96
Queue empty

Underflow (queue empty)
Enqueue 2
               Queue head =   9 -->2
                                   
Enqueue 3
               Queue head =   9 -->2
                                   3
                                   
Enqueue 93
               Queue head =   9 -->2
                                   3
                                   93
                                   
Dequeue 2
               Queue head =   0 -->3
                                   93
                                   
Dequeue 3
               Queue head =   1 -->93
                                   
Enqueue 81
               Queue head =   1 -->93
                                   81
                                   
Dequeue 93
               Queue head =   2 -->81
                                   
Enqueue 66
               Queue head =   2 -->81
                                   66
                                   
Enqueue 45
               Queue head =   2 -->81
                                   66
                                   45
                                   
Enqueue 41
               Queue head =   2 -->81
                                   66
                                   45
                                   41
                                   
Enqueue 32
               Queue head =   2 -->81
                                   66
                                   45
                                   41
                                   32
                                   
Enqueue 98
               Queue head =   2 -->81
                                   66
                                   45
                                   41
                                   32
                                   98
                                   
Enqueue 82
               Queue head =   2 -->81
                                   66
                                   45
                                   41
                                   32
                                   98
                                   82
                                   
Enqueue 10
               Queue head =   2 -->81
                                   66
                                   45
                                   41
                                   32
                                   98
                                   82
                                   10
                                   
Enqueue 68
               Queue head =   2 -->81
                                   66
                                   45
                                   41
                                   32
                                   98
                                   82
                                   10
                                   68
                                   
Dequeue 81
               Queue head =   3 -->66
                                   45
                                   41
                                   32
                                   98
                                   82
                                   10
                                   68
                                   
Enqueue 54
               Queue head =   3 -->66
                                   45
                                   41
                                   32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   
Dequeue 66
               Queue head =   4 -->45
                                   41
                                   32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   
Enqueue 7
               Queue head =   4 -->45
                                   41
                                   32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   
Enqueue 20

Overflow (queue full, head = 4, tail = 3)
               Queue head =   4 -->45
                                   41
                                   32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   
Dequeue 45
               Queue head =   5 -->41
                                   32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   
Dequeue 41
               Queue head =   6 -->32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   
Enqueue 33
               Queue head =   6 -->32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   
Enqueue 4
               Queue head =   6 -->32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   
Enqueue 71

Overflow (queue full, head = 6, tail = 5)
               Queue head =   6 -->32
                                   98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   
Dequeue 32
               Queue head =   7 -->98
                                   82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   
Dequeue 98
               Queue head =   8 -->82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   
Enqueue 41
               Queue head =   8 -->82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   41
                                   
Enqueue 97
               Queue head =   8 -->82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   41
                                   97
                                   
Enqueue 19

Overflow (queue full, head = 8, tail = 7)
               Queue head =   8 -->82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   41
                                   97
                                   
Enqueue 47

Overflow (queue full, head = 8, tail = 7)
               Queue head =   8 -->82
                                   10
                                   68
                                   54
                                   7
                                   33
                                   4
                                   41
                                   97