Array
(
    [0] => L005A
    [4] => L0078
    [3] => L007A
    [2] => L0098
    [1] => L009A
    [5] => L011A
    [15] => L053
    [16] => L054
    [10] => L060
    [14] => L060A
    [9] => L061
    [8] => L0615
    [6] => L062
    [7] => L0621
    [11] => L063
    [12] => L064
    [13] => L0645
)

All Sorts: Array
(
    [0] => L005A
    [1] => L0078
    [2] => L007A
    [3] => L0098
    [4] => L009A
    [5] => L011A
    [6] => L053
    [7] => L054
    [8] => L060
    [9] => L060A
    [10] => L061
    [11] => L0615
    [12] => L062
    [13] => L0621
    [14] => L063
    [15] => L064
    [16] => L0645
)

All Codes +  All Sorts: Array
(
    [L005A] => L005A
    [L0078] => L0078
    [L007A] => L007A
    [L0098] => L0098
    [L009A] => L009A
    [L011A] => L011A
    [L053] => L053
    [L054] => L054
    [L060] => L060
    [L060A] => L060A
    [L061] => L061
    [L0615] => L0615
    [L062] => L062
    [L0621] => L0621
    [L063] => L063
    [L064] => L064
    [L0645] => L0645
)

Current: 9
Max: 17
Back: -1
Next: 1
First: L054
Second: L060
Third: L060A
Fourth: L061