2B 1H // NSA *SND // [DVI, PS2] [Empty] // UF8PB9

8 7 8

7 to 0, first rule of all slots.

8 0 8

not multiples of 3

both 8s are greater than 7, multiply both by 2

16 0 16

1st slot
16 greater than 5 and even, 16/2 = 8

2nd slot
no unlit bob
number is 0, original digit from 1st display is 8

3rd slot
no serial port
original digit same as 1st orginal digit, leave num unchanged

8 8 16

16-10 is 6

8 8 6 was denied.
what have I done wrong?