Color Cylinder Gear Color
L M R
Red 1 7 3 batteries
Orange 6 2 8 indicators
Yellow 8 5 1 port plates
Green 5 4 6 S.N. 1st digit
Cyan 2 6 4 battery holders
Blue 7 3 5 unlit indicators
Purple 3 1 7 ports
White 4 8 2 # of letters in S.N.

On the Subject of Ruling Out Forget Any Color

Now with less words.

Refer to this on how to perform the optimized procedure with this manual.

First Stage / Left Nixie Last Pressed Right Nixie Last Pressed

Left nixie if these:

5-digit number
1 2 3 4 5
A L M R 3, 1, 1
D L M R 1, 2, 2

Otherwise, right nixie because of:

5-digit number
1 2 3 4 5
B L M R 1, 3, 1
C L M R 1, 1, 3
E L M R 2, 1, 2
F L M R 2, 2, 1

Right nixie if these:

5-digit number
1 2 3 4 5
C L M R 1, 1, 3
F L M R 2, 2, 1

Otherwise left nixie because of:

5-digit number
1 2 3 4 5
A L M R 3, 1, 1
B L M R 1, 3, 1
D L M R 1, 2, 2
E L M R 2, 1, 2