Umiuru to Sudoku Shiyo! - Nikoli Gensen 7 Dai Puzzle 555 Mon / release rpq031ec / correction
Suggest a correction うみうると数独しよっ! ~ニコリ厳選7大パズル555問~, Nintendo DS, JP
Corrections are GitHub issues on the public data repository, so each one is in the open with its evidence. This page fills the issue in; on GitHub you say what kind of evidence it is and submit (a GitHub account is needed). How corrections are checked.