plot slugs A 1 A 1 A 0 A 1 A 1 A 1 A 0 A 0 A 0 A 0 A 1 A 2 A 0 A 0 A 2 A 1 A 1 A 0 A 1 A 0 B 0 B 1 B 1 B 2 B 3 B 2 B 6 B 1 B 3 B 1 B 2 B 0 B 2 B 1 B 1 B 5 B 4 B 2 B 1 B 1 C 5 C 3 C 4 C 0 C 1 C 4 C 6 C 3 C 3 C 4 C 3 C 3 C 1 C 4 C 1 C 1 C 4 C 4 C 5 C 1