Players should also understand that sequences can be impure or pure. An impure sequence contains at least one joker card, whereas a pure sequence only contains conserummy gold - indiancutive cards devoid of jokers. In many variations of the game, declaring a win frequently requires the formation of at least one pure sequence, so this distinction is essential. Players must focus on creating these combinations as they move through their hands while also thinking about how to impede their opponents' advancement.