́ n X 1.@-11 -12 2.@-10 -11 3.@-10 -11 4. 5 8 5.@-10 -2 6. 14 12 7. 24 30 8.@ -6^ 4 9.@-13 -14_ 10.@-10 -11_ 11. 16 21 12. -1 12 13. 14 -3