eurekami
Bingo: Subtraction with regrouping
Cut out the cards. The caller reads a question; if your card has the answer, cover it. Four in a row wins.
BINGO
228279122494398322015614224973817598367262267
BINGO
5305269817127949749420825856143944764560175228422
BINGO
497228367456026220817144765611223817532398530422
BINGO
175530321714560279422447626726298439201494526398
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