(2+3)-4+2 - 3, 5-(1+2) - 2, (9+2)-5 - 6, 4-(2+1) - 1, 8+(5-4) - 9, (2+6)-(3+5) - 0, (9-1)+(1+1) - 10, (6+2)-(3+1) - 4, (5+2)-(3-1)+6 - 11, (3+7)-(8-1)+9 - 12,

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