́ n X 1. 2 15 2.@ 10 -10 3. 15 6 4.@ -4 9 5. 8 18 6. 20^ 9 7.@ 1^ 13 8.@-11_ -10_ 9. 13^ 15 10. 7 11 11.@ -2 4 12.@-12 -10_