GroupTree did reset accepted state causing middle elements
to become forbidden.

cstamas marked this pull request as ready for review

cstamas changed the title Bug: GH-1703 Bug: GH-1703 One

cstamas changed the title Bug: GH-1703 One Bug: GH-1703 Gaps in G segments resets allow result

cstamas changed the title Bug: GH-1703 Gaps in G segments resets allow result Bug: GH-1703 Gaps in G segments resets result

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