Guide

F07: what the demo does and does not establish

The browser game can be played and its selection rule explained. That is evidence about this demonstration, rather than proof of an official F07 operator or outside financial service.

What this guide establishes

F07 is the name used by this independent information guide. Its browser demo is Leximin Assignment. The playable demo does not establish an outside company, official affiliation, licence, app publisher or financial service. This guide describes its own virtual-coin rules; it does not certify another product.

How the six assignments work

Leximin Assignment draws nine independent values, each equally likely to be 0, 1, 2 or 3, in a 3 × 3 board. An assignment selects one cell from each row and uses each column once. There are six assignments. Sort each selected triple from smallest to largest, then compare the triples: prefer the larger first value, then the larger second value if the first ties, then the larger third value if both tie. The middle value of the winning triple is the raw reward s, from 0 to 3. This compares assignments across rows, rather than sorting each row separately.

Two simple scoring examples

A board containing only zeros gives six triples [0, 0, 0], so the raw reward is 0. A board containing only threes gives six triples [3, 3, 3], so the reward is 3. For a mixed board, first compare the smallest entries of the sorted assignment triples. A triple with a higher middle entry does not automatically win if its smallest entry is lower.

For the board with rows [0, 2, 1], [2, 1, 0] and [1, 0, 0], the winning sorted triple is [1, 1, 1], giving reward 1. An available triple [0, 2, 2] has middle value 2 but loses because its first value is smaller.

What the 96% figure can tell you

The expected return follows from averaging the separately normalized rewards across all 4⁹ complete boards. A simulated sample can differ from that average and cannot promise future results. Changing the reward power changes the payout distribution, while its mathematical expected gross return stays 96%. An observed win is not evidence of a licence or a guarantee about an outside operator.

Saved balance and unfinished draws

The wallet balance, including zero, and fractional remainder are saved in browser localStorage. The stake deduction at the start of a draw is saved too. Reloading an unfinished draw loses its pending result: there is no refund, payout or resumption. The saved balance and previous fractional remainder remain, while stake and power return to 20 and 1. Saved wallet values do not provide an account recovery service.

Local storage and outside requests

The demo uses browser localStorage for the wallet balance and fractional remainder. Clearing downloaded files from the cache can leave that storage intact; site-data controls are separate. The pages include Google Fonts stylesheets and Statinside counter 44 in the published site. These requests and local wallet storage do not establish anonymity, describe all possible processing or determine how long outside services retain data.

Frequently asked questions

Does the demo prove F07 is an official operator?

No. A working browser demonstration does not establish an outside operator, company, licence or affiliation.

How is the raw reward selected?

Consider the six selections with one cell per row and a different column for each row. Sort each triple ascending, compare the first entries, then second and third entries to break ties, and take the middle entry of the largest triple. The raw reward is 0, 1, 2 or 3.

Does 96% mean I recover 96% on every draw?

No. It is the mathematical expected gross return across all equally likely boards in each separately normalized mode. Individual boards and sessions can return less or more.