Ontario 49 Wheeling System

Pick more numbers than a single line holds, and this builds the smallest set of lines that guarantees a minimum match — provided enough of your numbers are drawn. The guarantee is not asserted; every possible outcome is enumerated and the worst case is reported below.

What this does and does not do. It does not improve your chance of winning. Jackpot probability is exactly proportional to how many distinct lines you hold — wheeled or picked at random, 12 lines is 12 lines. What a covering design adds is a floor: with random lines, five of your numbers can be drawn and still land scattered so that no single line holds four. A wheel makes that impossible by construction.

Your numbers (leave blank for random)

How many

Guarantee

Wheeling 9 numbers

31516172129303645

Lines to play	12
Full wheel would need	84 lines — this is 86% fewer
Verified guarantee	if all 6 drawn numbers are among your 9, at least one line holds 5 of 6

That figure comes from enumerating all 84 ways the 6 drawn numbers could fall among your 9, and taking the worst one. You asked for 4; the cover that came out is stronger.

Your 12 lines

#	Numbers
1	31516172129
2	31516303645
3	172129303645
4	31517213036
5	31617293045
6	151621293645
7	31517293645
8	31621293036
9	151617213045
10	31521293045
11	31617213645
12	151617293036

The condition is the catch. The guarantee holds only if all 6 drawn numbers happen to be among the 9 you chose, and nothing makes that likelier — choosing 9 of 49 is still a long shot. A wheel organises the lines you buy; it does not change what the draw does. Playing 12 lines costs 12 times one line, and the odds rise only in proportion to that.

⚡ Ontario 49 — all sections

Results, archive and analysis, all from OLG draw data