Duda in TSOP-48_D3

[Asu]

Ezo Hi, I'm riding Ezoflash + 4V4 and TSOP-48_D3 to program flash EN29LV640B and I have a question:
In the diagram tsop-48_D3 can be seen that there are 50 pin, please what would be the position for a 48-pin flash.
thanks

P.D Forgive my English translator google

[Ezo]

tsop48d3
3 in picture tsop48/1
26 in picture tsop48/24
28 in picture tsop48/25
50 in picture tsop48/48
-------------
1 in picture tsop56/1
2 in picture tsop56/2 (A22)
3 in picture tsop56/3
26 in picture tsop56/26
tsop56/27 empty-non soldered
tsop56/28 empty-non soldered
27 in picture tsop56/29 (Vio)
tsop56/30 empty-non soldered
28 in picture tsop56/31
50 in picture tsop56/54
tsop56/55 empty-non soldered
tsop56/56 empty-non soldered
-----------------
Presence on extra lines find in tsop48d3 schematic.