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Number Sequence in Roulette
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Introduction
I often receive inquiries about whether the sequence of numbers in roulette follows a specific pattern. Unfortunately, there isn’t a straightforward method to memorize their arrangement. The two primary types of roulette wheels, which are single-zero and double-zero, are designed to maintain a balance of high versus low and odd versus even numbers throughout the wheel's sectors. Nevertheless, apart from this, I can't discern any reliable or consistent pattern. The origins of the number arrangement remain a mystery in the world of gambling.
Single-Zero Wheel
The arrangement of numbers on a single-zero roulette wheel follows this specific sequence: 0-32-15-19-4-21-2-25-17-34-6-27-13-36-11-30-8-23-10-5-24-16-33-1-20-14-31-9-22-18-29-7-28-12-35-3-26.
Aside from ensuring a balanced distribution of high/low and odd/even numbers in each sector of the wheel, I have not found a straightforward mnemonic to recount the entire sequence.
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Double-Zero Wheel
For the single-zero wheel, the sequence is: 0-28-9-26-30-11-7-20-32-17-5-22-34-15-3-24-36-13-1-00-27-10-25-29-12-8-19-31-18-6-21-33-16-4-23-35-14-2. In contrast to the single-zero wheel, there are several rules to help determine the complete number sequence.
- Begin by positioning the 00 at the top of the wheel (12:00), while placing the 0 at the bottom (6:00).
- Insert the number 1 to the left of the 00. Then, starting from there and moving counter-clockwise, add every fourth odd number until you reach 9.
- Place the number 13 to the left of the 1. Continue placing every fourth odd number counter-clockwise until you reach 17.
- Put the number 11 adjacent to the 7, proceeding counter-clockwise. This method organizes all the low odd numbers on the left half of the wheel.
- Position the number 19 seven spaces clockwise from 00. Then, as you continue clockwise, place the two next odd numbers every four spaces until you reach 23.
- Insert the number 25, which is three positions clockwise from the 00.
- Position the number 27 just one space clockwise from the 00. Then, moving clockwise, fill in the next four odd numbers every four spaces until you reach 35.
- For every odd number on the wheel, place the number that is one higher directly across from it. For instance, the 2 should be placed directly opposite the 1.
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Triple-Zero Wheel
The sequence for the triple-zero wheel is identical to that of the single-zero wheel, with the addition of the 000 and 00 that follow the 0 in a clockwise direction.
In clearer terms, the sequence reads: 0-000-00-32-15-19-4-21-2-25-17-34-6-27-13-36-11-30-8-23-10-5-24-16-33-1-20-14-31-9-22-18-29-7-28-12-35-3-26.
External Links
This topic is frequently discussed on my forum at Wizard of Vegas in a thread titled ROULETTE -- ORDER OF THE NUMBERS .