QUIZ 6 (Z) |+| 1 / \ --- / \ 1 4 + 5 6 / \ (A) ----- + ----- (B) ------- / \ 2 + 3 6 2 + 3 |/| |/| ----- / \ / \ 2 + 3 6 4 + 5 / \ / \ (C) ----- + ----- 1 |+| |+| 6 1 4 + 5 / \ / \ 2 3 4 5 (Z) --> (A) | (B) | (C) ? (Z) -->