QUESTION
Do you happen to have a system that can give you related numbers? For example 241. What are all the possible related numbers?

ANSWER.
YES I do.
It’s the Plus 1/Minus 1 program.

See examples of the output of this program below. (The program gives you box numbers and turns all straight numbers entered into box numbers.)

124
Plus 1/Minus 1 list for 124
024 114 123 125 134 224 (6)

127
Plus 1/Minus 1 list for 127
027 117 126 128 137 227 (6)

059
Plus 1/Minus 1 list for 059
005 049 058 069 159 599 (6)

369
Plus 1/Minus 1 list for 369
036 269 359 368 379 469 (6)

023
Plus 1/Minus 1 list for 023
013 022 024 033 123 239 (6)

567
Plus 1/Minus 1 list for 567
467 557 566 568 577 667 (6)

You can see where this program is on the menu below.

Best Programs
> 8 STRAIGHT NUMBERS
> STRAIGHT GROUP MATCHING 300
> STRAIGHT GROUP MATCHING 100
> STRAIGHT GROUP MATCHING 60
> STRAIGHT GROUP MATCHING
> GROUP MATCHING SYSTEM 60
> GROUP MATCHING SYSTEM
> VISUAL DIGIT DISTRIBUTION
> PLUS 1/MINUS 1
> SINGLES AND DOUBLES
> STRAIGHT SINGLES/DOUBLES
> CONSOLIDATION