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2. -+2 -1 30/30 1-1-11-11-111 -1-111 -11 -11 -1-11-11 3. -XX XX XX XX X XX X X 4. -1 -2-3 5. ----! !-!!!!! 6. - 7. !!!!! 8. :::. - -:. 9. ! !!! !