Array
(
    [7] => CB025
    [19] => CB025P
    [5] => CD002
    [0] => CD004
    [11] => CF025
    [13] => CF026
    [4] => CF027
    [15] => CG008
    [2] => CG008A
    [9] => CJ035
    [1] => CJ035P
    [21] => CK001
    [26] => CK002
    [22] => CP030
    [28] => CP032
    [31] => W322A
    [6] => W333
    [20] => W334
    [17] => W334A
    [8] => W335
    [10] => W336
    [12] => W337
    [14] => W338
    [16] => W339
    [24] => W340
    [18] => W3405
    [29] => W341
    [3] => W344
    [27] => W395A
    [25] => W398
    [23] => W3985
    [30] => W398A
)

All Sorts: Array
(
    [0] => CB025
    [1] => CB025P
    [2] => CD002
    [3] => CD004
    [4] => CF025
    [5] => CF026
    [6] => CF027
    [7] => CG008
    [8] => CG008A
    [9] => CJ035
    [10] => CJ035P
    [11] => CK001
    [12] => CK002
    [13] => CP030
    [14] => CP032
    [15] => W322A
    [16] => W333
    [17] => W334
    [18] => W334A
    [19] => W335
    [20] => W336
    [21] => W337
    [22] => W338
    [23] => W339
    [24] => W340
    [25] => W3405
    [26] => W341
    [27] => W344
    [28] => W395A
    [29] => W398
    [30] => W3985
    [31] => W398A
)

All Codes +  All Sorts: Array
(
    [CB025] => CB025
    [CB025P] => CB025P
    [CD002] => CD002
    [CD004] => CD004
    [CF025] => CF025
    [CF026] => CF026
    [CF027] => CF027
    [CG008] => CG008
    [CG008A] => CG008A
    [CJ035] => CJ035
    [CJ035P] => CJ035P
    [CK001] => CK001
    [CK002] => CK002
    [CP030] => CP030
    [CP032] => CP032
    [W322A] => W322A
    [W333] => W333
    [W334] => W334
    [W334A] => W334A
    [W335] => W335
    [W336] => W336
    [W337] => W337
    [W338] => W338
    [W339] => W339
    [W340] => W340
    [W3405] => W3405
    [W341] => W341
    [W344] => W344
    [W395A] => W395A
    [W398] => W398
    [W3985] => W3985
    [W398A] => W398A
)

Current: 24
Max: 31
Back: -1
Next: 1
First: W339
Second: W340
Third: W3405
Fourth: W341