For insurance, it varies by the number of decks -- so make sure you are matching the numbers for the same game.
As for being off by 1 -- it absolutely DOES NOT MATTER who is right and who is wrong. Choose a set of hi-opt II's from any source and learn them for the game you want to play most often.
As for being off by 1 -- it absolutely DOES NOT MATTER who is right and who is wrong. Choose a set of hi-opt II's from any source and learn them for the game you want to play most often.