+1678
+1678 In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers ($1,$ $2,$ $3,$ $4,$ $5,$ $6,$ and $7$). Among all the cards of each color, there is exactly one card labeled with each number.
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+1678
+1678
+0
+1467
+1467
+1467
+1467
+550
+550
+550
+550
+550
+1331
+1331
+1331
+661
+661
+661
+0