Three or more consecutive cards of the same suit, without the use of jokers, make up a pure sequence. In addition to securing a key component of your hand, establishing a pure sequence lowers the numberrummy glee max of points you might lose in the event that another player declares first. Keeping track of the cards that opponents are discarding is another tactical consideration. You can use this to gain important information about their hands and decide which cards to keep or discard. To stop an opponent's progress, you might want to keep a card that you think they might need for a sequence if they discard it.